P2 is absent on each side above. The stuffed scrotal pouch and hair
projecting downward about the preputial opening clearly show the animal
to have been a male. The least faded portions of the mounted specimen,
its sides, are of the same reddish color as characterizes adults from
Pará and not of the darker chocolate color of specimens of _M.
stolzmanni_ from Perú. The specimen is indistinguishable from topotypes
of _P. paraensis_ of Goeldi and his name will have to fall as a synonym
of _Mustela africana_ Desmarest.
Goeldi gave an extended description, with figures of the skull, head,
and entire animal, when he named _paraensis_. As his account shows, he
was unaware that Taczanowski had described a similar weasel from the
headwaters of the Amazon, or for that matter that any weasel excepting
_Mustela affinis_ Gray, had been found in South America. Goeldi's later
account of additional specimens (1904:61, pls. 1, 2) gives much useful
information about the animal. Photographs of several specimens and
photographs and detailed measurements of several skulls are presented
by him.
Pará, and Cametá, Brazil, places from which _Mustela africana africana_
is known, are nearly 2000 miles from the localities in eastern Perú and
eastern Ecuador from which _M. a. stolzmanni_ is known, and no
specimens, from intermediate localities, are available to show actual
intergradation of the two. However, the similarity in structure of the
two weasels is so great as to indicate close affinity. Furthermore, it
is understood that environmental conditions at and between the two
localities are similar. These considerations, in the light of our
knowledge of actual intergradation of geographic races of weasels in
other places, cause me to treat, with a feeling of assurance, _M.
africana_ [= _P. paraensis_ Goeldi] and _M. stolzmanni_ Taczanowski as
subspecies of a single species. M. Rodolpho Legueira Rodríguez writes
me, under date of June 16, 1928, that the type specimen of _Putorius
(Mustela) brasiliensis paraensis_ Goeldi is stuffed and preserved in a
"vitrine" at the Museum Goeldi (Museum Paraense) De Historia Natural e
Ethnographia, Pará, Brazil.
The one young specimen seen, that from Cametá, is darker colored than
any of the four older specimens examined. It is almost exactly the
Chestnut Brown of Ridgway (1912) and therefore approaches closely in
color the adult specimens of _M. a. stolzmanni_. This same tendency to
greater richness of color in young than in adults is seen also in
_Mustela frenata_.
_Specimens examined._--Total number, 5, all from eastern Brazil,
as follows: Pará, 2 (1[2], 1[7]); Pará Murutucu, 1[7]; Río
Tocantins, Cametá, 1[75]; type specimen, 1[84].
=Mustela africana stolzmanni= Taczanowski
Tropical Weasel
Plates 39 and 40
_Mustela stolzmanni_ Taczanowski, Proc. Zoöl. Soc. London,
1881:835, November 15, 1881; Allen, Bull. Amer. Mus. Nat. Hist.,
35:105, April 28, 1916.
_Mustela stolzmanni stolzmanni_, Hall, Carnegie Instit. Washington
Publ. 473:111, November 20, 1936; Hall, Physis, 16:167, pl. 1,
figs. 5, 6, 1939.
_Type._--Female, adult, mounted skin, with skull separate; no.
563, Mus. Polonais d'Hist. Nat. (Warsaw, Poland); Yurimaguas,
Perú; 1880; obtained by J. Stolzmann.
The skull (plate 40), mounted with the skin but removed by me for
study, consists of the premaxillae, maxillae, two halves of the
lower jaw and dentition. Of these parts, right m2, left coronoid
process, right P4 and M1 and adjacent part of maxilla are lost.
The skin is well mounted, in a good state of preservation and
shows no fading due to exposure to light. Inguinal mammae are
distinctly shown on the skin and prove that the specimen is a
female. Except for a few scattered hairs on the lower throat, a
spot six by eight millimeters on the medial side of the region of
the olecranon of the left foreleg and another of similar size in
the left axilla, the underparts are, excepting the ventral
longitudinal, abdominal stripe, unmarked by color of the upper
parts.
_Range._--Known from the Tropical Life-zone of eastern Ecuador and
Perú from Jatun Yacu south to Valle del Perené. See figure 29 on
page 221.
_Characters for ready recognition._--Differs from _Mustela
frenata_, the only other geographically adjacent species of the
genus, in presence of median, longitudinal, abdominal stripe of
same color as upper parts and naked foot soles, in absence of p2
and in reduced size of tympanic bullae (see pls. 28, 29, 30, 39
and 40) and from _Mustela africana africana_ by darker color of
upper parts which, although near Chestnut Brown, are 11' _n_
instead of 10' _l_ as in _M. a. africana_.
_Description._--_Size._--Male: unknown.
Female: Taczanowski (1881:836) gives, among others, the following
measurements of the type specimen: Total length, 523, length of
body, 260; length of tail without hair, 190 (with hair 224);
length of hind foot, 54. Whether or not the measurements were
taken from the animal when in the flesh I do not know. Allowing
for shrinkage of hind feet and changes due to the posture of the
now mounted specimen, I get from it essentially the same
measurements. Collectors' measurements of a subadult from
Moyobamba and a young female from Valle del Perené, are
respectively, as follows: 469, 415; 184, 160; 57, 52. My own
measurements of the dry hind feet on the skins are respectively,
48 and 49.
_Externals._--As described in _M. a. africana_ except that the
length of the concave sides of the claws are approximately one and
one-fourth times the depth; thus the claws are relatively longer
than in _M. a. africana_.
_Color._--As described in _M. a. africana_ with the following
noted exceptions: Upper parts near (11' _n_) Chestnut-Brown; area
of lighter ventral coloration on the throat and sides of head less
strongly tinged with yellow; pelage more dense, finer and softer
than in _M. a. africana_.
_Skull and teeth._--Male: Skull unknown.
Female: See measurements and plate 39 and 40. As described in male
of _Mustela africana africana_ except that: Weight, 4.7 grams. As
contrasted with _M. a. africana_, the dentition of the lower jaw
is lighter; the transverse diameter of m2 is 1.2 mm. in the type
and also in the specimen from Moyobamba as against 1.5 to 1.7 in
three male topotypes of _M. a. africana_.
_Remarks._--After the Polish naturalist, Stolzmann, in the course of
his explorations in Perú, obtained the single specimen which was made
the type, no other naturalist, so far as known, visited the type
locality until thirty-two years later when Wilfred H. Osgood and M. P.
Anderson spent more than a month collecting at Yurimaguas (see Osgood,
1914:147), but secured no topotypes of this little-known weasel. C. O.
Schunke took the second specimen in the Valle del Perené in April,
1921; L. Rutter on January 25, 1924, took the third specimen, and W.
Clark-MacIntyre took the fourth specimen on the Jatun Yacu. This
obscure place name is shown on the map (fig. 4, page 827) published by
Brown (1941) and is the stream flowing from the west to the town of
Napo. Napo is situated at approximately 1° 2' S and 77° 49' W.
In the female from Moyobamba there are only 3 pairs of mammae. One pair
is inguinal and two pairs are on the posterior part of the abdomen.
Taczanowski (1881:836) relates that this species was taken in the
forest to which it appears to be restricted since the inhabitants of
the village did not know of the animal. He points out also that the
previously known Peruvian species [_M. f. macrura_ and _M. f. agilis_]
live in the treeless territory of eight to eleven thousand feet
altitude whereas _M. stolzmanni_ was found in the humid forest of the
great plain of the Maynas at an elevation of 500 feet or less above sea
level. The frontal sinuses of the specimens seen reveal no malformation
as a result of infestation by parasites.
_Specimens examined._--Total number, 4, as follows:
=Ecuador=: R. Tatun [= Jatun] = Yacu, 1, Mus. Comp. Zoöl.
=Perú=: Yurimaguas, 1 in Mus. Polonais d'Hist. Naturelle, Warsaw;
Moyobamba, 2700 ft. [6° S, 77° W], 1 in Brit. Mus. Nat. Hist.;
Valle del Perené, 1200 meters, 1 in Amer. Mus. Nat. Hist.
EXPLANATION OF CRANIAL MEASUREMENTS APPEARS ON PAGE 417
[Illustration: FIG. 31. Four views of the skull and a lateral view of
the left lower jaw to show points between which measurements of the
skull were taken. Based on _M. f. primulina_, from 3 mi. E Bergman,
Boone County, Arkansas, obtained December 12, 1933, by B. G. Roberts;
ad. [F]. 62854 Mus. Vert. Zoöl. × 1-2/5.]
EXPLANATION OF CRANIAL MEASUREMENTS
Basilar length (of Hensel).--From the anteriormost border of the
foramen magnum to a line connecting the posterior margins of the
alveoli of the first upper incisors. F to F' on fig. 31.
Condylobasal length.--Least distance from a line connecting the
posteriormost parts of the exoccipital condyles to a line
connecting the anteriormost projections of the premaxillary
bones.
Length of tooth-rows.--Least distance between a line connecting
posterior borders of upper molars and a line connecting anterior
faces of middle upper incisors. G to G' on fig. 31.
Breadth of rostrum.--Least distance from lateral base of hamular
process of lacrimal bone to corresponding point on opposite side
of skull. B to B' on fig. 31.
Interorbital breadth.--Least distance across top of skull between
orbits (eye sockets). O to O' on fig. 31.
Orbitonasal length.--Distance on anterior part of skull from
posterior margin of base of postorbital process of frontal bone
to posteriormost part of anterior border of nasal bone on same
side of skull. A to A' on fig. 31.
Mastoid breadth.--Greatest distance across mastoid bones
perpendicular to long axis of skull. E to E' on fig. 31.
Zygomatic breadth.--Greatest distance across zygomatic arches of
cranium perpendicular to long axis of skull. D to D' on fig. 31.
Tympanic bulla:
Length.--From posterior face to most anterior part of anterior
border. H to H' on fig. 31.
Breadth.--From bottom of pit immediately posterior to external
auditory meatus to medial face of bulla at right angle with
longitudinal axis of skull. J to J' on fig. 31.
Depth.--Least distance from ventral face of basioccipital,
excluding median ridge, to line touching ventralmost points of
the two bullae. L to L' on fig. 31.
m1, Length.--Greatest length which rarely or never is alveolar length.
P4.--
Lateral.--Length from posterior margin of tooth to anteriormost
part of the protocone (anterolateral cusp).
Medial.--Length from the posterior margin of tooth to
anteriormost part of the deuterocone (anterointernal cusp).
M1.--
Breadth.--Distance from medial edge of crown to lateral margin of
crown, approximately at a right angle with longitudinal axis of
the skull.
Length.--Greatest diameter, anteroposteriorly, of the inner lobe
or inner half of the tooth.
Depth of skull at anterior margin of basioccipital.--Measured from
anterior end of ventral face of basioccipital, excluding median
ridge, vertically to dorsal face of parietal excluding sagittal
crest. K to K' on fig. 31.
Depth of skull at posterior borders of Ms1.--Measured from ventral
face of palatine bones at posterior edge of upper molars to
dorsal face of frontals in plane of postorbital processes of
frontals. S to S' on fig. 31.
TABLE OF CRANIAL MEASUREMENTS
=================================================================================
Key:
A Basilar length (of Hensel)
B Length of tooth rows
C Breadth of rostrum
Catalog Sex and
Collection Number age Locality A B C
---------------------------------------------------------------------------------
Mustela frenata
average} {45.1 16.6 13.7
maximum} [M] ad. 10 Adirondacks, New York {47.0 17.4 14.6
minimum} {43.2 15.9 13.0
average} {44.7 16.3 13.7
maximum} [M] ad. 10 Massachusetts {47.0 16.8 14.9
minimum} {43.3 15.9 13.1
average} {44.0 16.3 13.2
maximum} [M] ad. 10 Liberty Hill, Connecticut {46.0 17.4 14.4
minimum} {41.5 15.2 12.1
average} {44.4 16.5 13.3
maximum} [M] ad. 10 Beaver Dam, Wisconsin {46.1 17.7 14.1
minimum} {40.6 15.6 12.3
average} {43.0 15.6 13.0
maximum} [M] ad. 10 Washtenaw Co., Michigan {45.4 16.5 13.4
minimum} {39.7 14.7 11.6
average} {37.5 13.4 10.7
maximum} [F] ad. 8 Adirondacks, New York {39.8 14.5 11.2
minimum} {36.4 12.8 9.8
average} {36.5 13.4 10.5
maximum} [F] ad. 5 Massachusetts {38.1 14.0 11.0
minimum} {35.2 13.0 10.0
average} {37.3 13.5 10.8
maximum} [F] ad. 6 Maryland {37.9 14.1 11.2
minimum} {36.8 13.0 10.4
average} {37.2 13.4 10.6
maximum} [F] ad. 5 Beaver Dam, Wisconsin {37.6 13.7 11.3
minimum} {37.0 12.9 10.0
average} {36.5 13.1 10.5
maximum} [F] ad. 9 Washtenaw Co., Michigan {37.5 13.7 11.0
minimum} {35.9 12.8 9.8
Mustela frenata
A. N. S. P. 4137 [M] ad. Washington Co., Maine 45.8 16.5 13.3
M. C. Z. 7267 [M] ad. Moose Head Lake, Maine 44.9 16.6 14.5
M. C. Z. 5501 [M] ad. Bucksport, Maine 46.9 17.1 14.4
M. C. Z. 9142 [M] ad. Bucksport, Maine 45.0 16.1 14.0
av 45.7 16.6 14.1
M. C. Z. 9101 [F] sad. Bucksport, Maine 37.7 14.0 11.6
M. C. Z. 9122 [F] sad. Bucksport, Maine 38.2 13.8 11.5
Mustela frenata
average} {44.8 16.8 13.5
maximum} [M] ad. 10 Douglas Co., Kansas {46.0 17.8 14.1
minimum} {43.8 16.2 12.9
average} {44.7 16.5 13.2
maximum} [M] ad. and sad. 8 Boone Co., Arkansas {46.5 17.1 14.0
minimum} {42.5 15.6 12.6
average} {38.9 14.4 11.3
maximum} [F] ad. and sad. 11 Douglas Co., Kansas {40.7 15.3 12.0
minimum} {37.6 13.8 10.8
average} {39.3 14.1 11.4
maximum} [F] ad. and sad. 6 Arkansas {40.1 14.6 11.9
minimum} {38.8 13.7 11.0
=================================================================================
D Interorbital breadth
E Orbitonasal length
F Mastoid breadth
G Zygomatic breadth
H Length }
J Breadth }Tympanic Bulla
K Depth }
L Length m1
M Lateral }
N Medial }P4
P Breadth }M1
Q Length }
R Depth of Skull at Ant. margin of basioccipital
S Depth of Skull at posterior borders of Msl
|-Tympanic Bulla-| |----P4---| |----M1---|
D E F G H J K L M N P Q R S
--------------------------------------------------------------------------------
noveboracensis
10.9 15.3 23.3 26.7 15.4 7.8 3.5 5.9 5.3 5.5 4.3 2.4 14.1 12.7
11.9 15.9 24.7 28.0 16.2 8.4 4.0 6.2 5.7 5.9 4.5 2.7 14.5 13.3
10.4 14.8 22.0 25.3 14.6 7.0 3.1 5.5 4.9 4.9 4.0 1.9 13.5 12.2
11.3 15.7 23.2 26.5 15.4 7.7 3.4 5.9 5.2 5.5 4.4 2.4 14.1 12.7
12.0 16.7 25.6 28.2 16.4 8.2 3.7 6.3 5.5 5.9 4.7 3.0 14.7 13.0
10.5 14.8 21.8 25.1 14.3 7.3 3.1 5.6 5.0 5.2 4.0 2.0 13.5 12.0
10.9 15.3 22.4 26.3 15.0 7.5 3.3 5.8 5.1 5.4 4.2 2.2 14.3 12.6
12.0 16.4 23.5 28.0 15.9 8.0 3.6 6.3 5.6 6.1 5.0 2.5 15.2 13.2
9.7 14.2 20.8 24.0 14.4 6.9 3.0 5.3 4.6 5.0 3.7 2.0 13.4 11.7
10.6 15.6 23.0 26.3 15.2 8.0 5.8 5.3 5.5 4.3 2.4 13.9 12.6
11.3 16.4 23.8 27.4 16.2 8.2 6.1 5.7 5.8 4.6 2.7 14.5 13.2
9.8 13.7 22.1 23.9 14.2 7.7 5.6 4.7 5.1 3.9 2.1 13.0 11.8
10.2 14.9 22.0 24.9 14.7 7.6 5.6 5.0 5.3 4.2 2.2 13.4 11.9
11.0 15.7 22.8 26.1 15.2 7.9 6.0 5.3 5.6 4.5 2.5 14.2 12.3
9.6 13.8 21.1 23.5 14.1 7.3 5.0 4.7 4.9 3.8 1.9 12.6 11.5
8.7 12.9 18.7 20.9 13.5 6.5 2.8 4.8 4.3 4.6 3.5 1.7 11.4 10.2
9.3 13.4 19.3 22.1 14.3 7.0 2.9 5.2 4.7 5.0 3.7 1.9 12.1 10.8
7.9 12.1 17.5 20.0 12.6 5.9 2.5 4.5 4.0 4.2 3.2 1.7 10.3 9.4
8.5 12.9 18.5 20.1 13.3 6.3 2.3 5.0 4.3 4.5 3.5 1.8 11.4 10.0
8.6 13.3 19.6 20.8 13.9 6.9 2.7 5.1 4.5 4.7 3.7 2.0 11.6 10.4
8.3 12.1 17.2 19.3 12.8 5.6 2.0 4.9 4.2 4.4 3.3 1.4 11.0 9.6
8.6 13.0 18.8 21.0 13.1 6.6 4.9 4.4 4.7 3.6 1.9 11.9 10.9
8.9 13.5 19.6 21.7 13.5 6.8 5.2 4.6 4.9 4.1 2.3 12.6 11.4
8.5 12.8 18.2 20.1 13.0 6.4 4.7 4.2 4.5 3.1 1.4 11.6 10.3
8.8 13.0 18.7 21.0 13.5 6.5 4.9 4.5 4.6 3.5 1.8 11.6 10.2
9.7 13.5 19.5 21.7 13.8 6.8 5.0 4.5 4.8 3.7 2.1 12.3 10.3
8.0 12.0 17.6 20.2 13.1 6.1 4.9 4.4 4.3 3.3 1.5 10.8 9.8
8.4 12.6 18.5 20.5 13.2 6.3 4.8 4.3 4.5 3.5 1.8 11.8 10.3
8.8 13.1 19.1 21.3 13.8 6.7 5.0 4.5 4.7 3.7 2.0 12.2 10.7
7.8 12.0 18.1 19.5 12.9 6.0 4.6 4.1 4.3 3.3 1.5 11.3 10.0
occisor
11.0 16.2 24.5 27.5 15.7 8.5 3.5 6.2 5.6 5.9 4.6 2.8 13.3 13.0
11.8 15.6 24.2 27.7 15.2 7.7 3.1 6.0 5.2 5.6 4.2 2.4 14.2 13.0
11.0 15.8 24.0 28.0 16.4 8.0 4.0 6.0 5.8 6.1 4.5 2.6 14.7 13.2
11.2 15.3 24.2 27.4 15.8 7.3 2.8 6.1 5.3 5.6 4.3 2.4 14.5 12.6
11.3 15.7 24.2 27.7 15.8 7.9 3.4 6.1 5.5 5.8 4.4 2.6 14.2 13.0
9.1 13.0 19.0 21.7 14.1 6.3 2.6 5.2 4.6 4.6 3.8 2.1 12.5 10.5
9.2 13.6 19.5 21.8 13.6 6.5 2.5 4.6 4.3 4.5 3.5 1.7 12.3 10.3
primulina
10.6 14.9 24.0 27.2 15.5 8.3 3.4 6.1 5.5 5.8 4.6 2.4 14.2 12.8
11.5 15.4 24.9 28.2 16.3 8.8 3.9 6.6 5.9 6.1 4.7 2.6 14.8 13.2
10.0 14.3 23.2 26.2 14.4 8.0 3.0 5.8 5.2 5.5 4.3 2.2 13.6 12.0
10.5 15.0 24.1 26.9 15.5 8.1 3.6 6.0 5.5 5.6 4.3 2.2 14.2 12.3
11.8 16.3 24.8 27.7 16.4 8.8 4.2 6.5 6.0 6.2 4.9 2.5 14.6 13.0
9.7 14.1 22.8 26.1 14.9 7.5 3.1 5.8 5.2 5.2 4.0 2.0 13.9 11.7
8.6 12.9 20.3 22.6 13.5 6.9 2.9 5.2 4.8 5.0 3.5 1.8 12.6 11.2
9.2 13.4 21.4 23.8 15.1 7.5 3.3 5.7 5.2 5.4 4.2 2.1 13.5 11.7
7.9 12.4 18.8 21.1 13.0 6.3 2.5 4.8 4.5 4.6 3.4 1.5 11.7 10.0
8.7 13.1 20.3 23.1 14.0 6.9 2.9 5.2 4.8 5.0 3.8 1.9 12.5 10.7
8.8 13.7 21.0 23.8 14.5 7.2 3.0 5.5 5.0 5.3 4.2 2.0 13.0 11.8
8.5 12.6 19.8 22.5 13.5 6.5 2.8 5.0 4.5 4.7 3.5 1.7 12.3 10.3
TABLE OF CRANIAL MEASUREMENTS--_Continued_
================================================================================
Key:
A Basilar length (of Hensel)
B Length of tooth rows
C Breadth of rostrum
Catalog Sex and
Collection Number age Locality A B C
---------------------------------------------------------------------------------
Mustela frenata
U. S. N. M. 246345 [M] ad. Convent, Louisiana 43.4 15.4 13.7
M. V. Z. 37515 [M] sad. Remy, Louisiana 43.8 16.4 12.7
M. V. Z. 38901 [M] sad. Springville, Louisiana *45.0 *16.5
Mustela frenata
M. V. Z. 47165 [M] ad. Talbot Co., Georgia 50.1 18.3 15.0
M. V. Z. 47144 [M] ad. Talbot Co., Georgia 49.2 18.3 13.8
M. V. Z. 47166 [M] ad. Talbot Co., Georgia 48.5 17.6 14.6
M. V. Z. 47167 [M] ad. Talbot Co., Georgia 45.8 17.3 14.2
M. V. Z. 47147 [M] ad. Talbot Co., Georgia 48.1 18.0 14.0
av. 5 48.3 17.9 14.3
M. V. Z. 41023 [M] ad. Thomas Co., Georgia 48.8 17.5 14.9
M. V. Z. 41025 [M] ad. Grady Co., Georgia 44.8 16.9 13.2
M. V. Z. 40934 [M] ad. Grady Co., Georgia 47.8 17.4 14.1
M. V. Z. 40935 [M] ad. Grady Co., Georgia 47.4 18.0 13.6
av. 4 47.2 17.5 14.0
U. S. N. M. 223880 [M] ad. Okefinokee Swamp 49.0 18.8 14.2
Cornell 198 [M] ad. Okefinokee Swamp 47.3 18.0 14.0
Cornell 652 [M] ad. Okefinokee Swamp 47.0 17.0 13.8
U. S. N. M. 180802 [M] ad. Autaugaville, Alabama 46.5 17.3 13.4
M. V. Z. 51527 [F] ad. Talbot Co., Georgia 43.5 16.4 12.5
M. V. Z. 41024 [F] ad. Thomas Co., Georgia 42.7 16.0 12.0
M. V. Z. 41022 [F] ad. Thomas Co., Georgia 44.0 16.1 12.8
Mustela frenata
F. S. M. 49387 [M] ad. Apopka, Florida 49.8 18.6 15.1
A. N. S. P. 9379 [F] ad. Tarpon Springs, Florida 44.2 16.6 13.8
A. N. S. P. 8515 [F] yg. Pasco Co., Florida 15.9 11.8
Mustela frenata
M. V. Z. 53795 [M] ad. Elk River, Minnesota 49.2 19.1 15.9
Walker A23 [M] ad. Elk River, Minnesota 49.0 18.7 15.9
Walker A37 [M] sad. Elk River, Minnesota 48.7 18.9 15.2
Dickey A865 [M] sad. Elk River, Minnesota 46.8 17.6 15.4
Dickey A846 [M] sad. Elk River, Minnesota 46.1 18.0 14.2
Dickey 11548 [F] ad. Elk River, Minnesota 42.3 16.4 13.1
Walker A174 [F] ad. Elk River, Minnesota 43.2 16.2 13.8
Dickey 9688 [F] ad. Elk River, Minnesota 43.2 16.8 12.7
U. S. N. M. 188410 [F] ad. Elk River, Minnesota 43.0 16.2 13.2
av. 4 42.9 16.4 13.2
Mustela frenata
A. M. N. H. 15875 [M] ad. Red Deer, Alberta 46.5 18.6 15.1
N. M. C. 8060 [M] ad. Sweet Grass Hills, Alberta 45.5 18.1 15.5
F. M. N. H. 7021 [M] ad. Canadian Nat. Park, Alberta 46.8 17.8 13.8
F. M. N. H. 8567 [M] ad. Calgary, Alberta 44.7 17.2 13.9
U. S. N. M. 75725 [M] ad. St. Albert, Alberta 46.5 18.3 15.0
av. 5 46.0 17.9 14.7
N. M. C. 6968 [F] ad. Daysland, Alberta 43.7 16.8 13.1
U. S. N. M. 68731 [F] ad. S. Edmonton, Alberta 42.5 16.0 13.4
A. M. N. H. 16044 [F] ad. Blindman River, Alberta 40.0 15.1 12.2
M. V. Z. 53792 [F] ad. Grafton, North Dakota 42.8 16.5 13.6
U. S. N. M. 75483 [F] ad. Wingard, Sask. 42.3 16.9 12.9
av. 5 42.3 16.3 13.0
=================================================================================
D Interorbital breadth
E Orbitonasal length
F Mastoid breadth
G Zygomatic breadth
H Length }
J Breadth }Tympanic Bulla
K Depth }
L Length m1
M Lateral }
N Medial }P4
P Breadth }M1
Q Length }
R Depth of Skull at Ant. margin of basioccipital
S Depth of Skull at posterior borders of Msl
|-Tympanic Bulla-| |----P4---| |----M1---|
D E F G H J K L M N P Q R S
--------------------------------------------------------------------------------
arthuri
11.5 14.5 22.3 26.6 15.4 7.7 3.3 5.4 4.9 5.1 3.7 2.0 14.8 12.4
10.9 15.0 22.3 25.5 15.5 7.5 3.7 4.9 5.7 5.8 4.2 2.3 14.2 12.4
15.5 16.0 8.3 5.8 5.5 5.7 4.6 2.5
olivacea
12.5 16.5 26.7 30.8 17.2 9.2 4.0 6.8 6.2 6.2 4.7 2.5 15.0 13.8
11.7 16.9 26.0 29.0 17.9 9.4 4.2 6.8 6.0 6.3 4.8 2.8 15.5 13.4
11.5 16.5 27.0 30.9 17.5 9.8 4.3 6.8 5.7 6.0 4.5 2.5 15.6 13.2
11.5 16.2 25.7 29.4 15.9 8.7 4.1 6.1 5.6 6.0 4.9 2.3 15.4 13.7
10.9 16.9 26.2 28.9 17.2 8.8 4.2 6.1 5.7 6.2 4.6 2.3 14.5 13.2
11.6 16.6 26.3 29.8 17.1 9.2 4.2 6.5 5.8 6.1 4.7 2.5 15.2 13.5
11.9 16.0 27.3 31.2 17.9 8.7 4.2 6.4 5.9 6.3 4.9 2.5 17.0 13.4
10.9 15.5 24.7 28.3 16.8 8.8 3.9 6.2 5.7 5.8 4.3 2.4 15.0 13.3
12.1 15.5 25.1 29.1 17.9 8.8 4.5 6.6 6.0 6.0 4.7 2.6 15.0 14.2
11.7 16.2 24.1 29.1 15.8 8.5 4.5 6.4 5.7 6.0 4.6 2.2 15.0 13.5
11.7 15.8 25.3 29.4 17.1 8.7 4.3 6.4 5.8 6.0 4.6 2.4 15.5 13.6
11.6 14.6 26.1 30.4 16.5 8.6 4.4 6.1 5.7 6.0 4.6 2.4 15.6 13.2
11.4 16.3 26.8 29.8 17.2 8.8 4.3 6.5 5.8 6.3 4.6 2.5 14.8 13.2
11.8 16.0 25.8 30.5 17.3 8.6 4.5 6.2 5.8 6.0 4.5 2.5 15.5 13.6
10.7 16.3 25.5 29.2 15.6 8.3 3.7 6.8 5.8 6.1 4.9 2.6 14.5 13.2
9.8 14.5 22.4 25.7 15.5 7.8 3.8 5.8 5.6 5.8 4.2 2.2 13.5 12.3
9.6 14.7 22.8 26.0 15.8 8.0 3.9 5.8 5.0 5.4 4.1 2.1 14.4 12.2
10.6 15.3 23.4 25.8 15.3 8.2 3.6 6.1 5.7 5.8 4.4 2.1 13.2 12.0
peninsulae
12.2 15.8 27.8 31.4 17.6 10.2 4.8 6.3 5.9 6.2 4.7 2.4 15.3 14.6
11.0 15.8 23.7 27.1 16.4 8.4 4.3 6.3 5.7 5.7 4.1 1.9 13.3 12.9
9.6 14.2 6.4 5.7 5.9 4.6 2.0 12.3
spadix
11.9 17.1 28.0 31.7 15.9 9.5 3.6 6.9 6.5 6.7 5.4 2.7 15.5 14.0
13.5 16.5 28.1 32.1 16.4 9.7 4.0 6.8 6.2 6.7 4.9 2.0 15.9 15.0
11.9 16.5 27.0 29.9 15.5 9.2 3.8 6.6 6.1 6.5 5.0 3.0 15.0 13.8
16.7 26.1 15.2 8.4 3.3 6.2 5.5 5.9 4.3 2.3
10.6 15.5 24.9 28.2 14.8 8.5 3.7 6.6 5.9 6.6 4.8 2.9 15.1 12.8
10.7 15.0 22.9 27.0 13.8 7.7 3.1 6.6 5.6 5.6 4.4 2.1 13.0 12.3
10.8 15.3 24.5 26.8 14.5 8.6 3.7 5.8 5.3 5.5 4.5 2.1 13.9 13.2
10.5 15.0 23.3 25.6 15.2 7.6 3.2 5.9 5.4 5.7 4.1 2.0 14.0 12.2
10.7 14.9 23.3 26.0 14.7 8.1 3.3 5.7 5.3 5.6 4.3 2.4 13.8 12.8
10.7 15.1 23.4 26.4 14.6 8.0 3.3 6.0 5.4 5.6 4.3 2.2 13.7 12.6
longicauda
12.1 15.3 25.3 30.8 15.2 8.9 3.4 6.9 6.3 6.5 4.9 2.6 15.0 14.6
12.2 15.5 31.0 6.9 6.3 6.6 5.0 2.5 13.8
11.4 16.0 25.7 30.4 15.7 8.7 3.9 6.3 5.7 5.9 4.4 1.9 15.5 13.4
11.3 14.8 24.8 29.7 15.5 8.7 3.6 6.0 5.4 5.6 4.3 2.4 15.0 13.4
12.4 15.6 25.0 29.4 15.2 8.3 3.4 6.6 6.2 6.4 4.6 2.0 16.0 13.6
11.9 15.4 25.2 30.3 15.4 8.6 3.6 6.5 6.0 6.2 4.6 2.3 15.4 13.8
14.9 24.0 26.1 14.7 8.3 3.1 5.7 5.2 5.4 4.3 2.0 13.3 12.2
10.3 14.3 24.1 26.7 14.5 8.8 3.3 5.6 5.4 5.5 4.3 2.3 14.0 12.5
8.8 13.2 22.5 24.5 13.4 8.2 2.8 5.6 5.0 5.0 4.0 2.0 12.8 11.5
10.5 14.9 23.2 26.1 15.3 8.0 2.8 6.1 5.4 5.6 4.3 2.4 14.0 12.3
9.8 15.5 23.3 25.9 14.8 8.3 3.2 6.4 5.9 6.1 4.8 2.4 14.3 12.1
9.9 14.6 23.4 25.9 14.6 8.3 3.0 5.9 5.4 5.5 4.3 2.2 13.7 12.1
TABLE OF CRANIAL MEASUREMENTS--_Continued_
=================================================================================
Key:
A Basilar length (of Hensel)
B Length of tooth rows
C Breadth of rostrum
Catalog Sex and
Collection Number age Locality A B C
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Mustela frenata
M. V. Z. 44568 [M] sad. Barkerville reg., B. C. 48.8 19.1 17.2
M. V. Z. 43817 [M] sad. Isaacs Lake, British Columbia 48.8 19.5 15.8
Cowan 443 [M] ad. Quesnel, British Columbia 46.6 17.7 14.5
N. M. C. 2676 [M] ad. Lillooet, British Columbia 47.5 18.5 14.3
N. M. C. 2695 [M] ad. Lillooet, British Columbia 45.0 17.5 15.9
M. C. Z. 9058 [F] ad. Source Kettle River, B. C. 41.7 16.4 12.8
M. V. Z. 62791 [F] ad. Beaverfoot Range, B. C. 42.0 16.4 13.5
Mustela frenata
U. S. N. M. 186451 [M] ad. Custer, South Dakota 40.9 15.0 13.8
A. M. N. H. 7440/9136 [M] ad. Hill City, South Dakota 41.0 15.6 13.7
A. M. N. H. 7441 [F] ad. Black Hills, South Dakota 37.6 14.1 12.2
Mustela frenata
M. V. Z. 55211 [M] ad. near Parks, Arizona 40.4 15.5 12.5
M. V. Z. 65231 [M] ad. Alpine, Arizona 39.6 15.1 12.2
U. S. N. M. 248993 [M] ad. Kaibab Plat., Arizona 40.4 15.6 12.9