hudsonius_ is noted in specimens from 30 mi. NE Port Arthur and also in
those from Silver Islet, Thunder Cape, Ontario. These individuals
resemble _Z. h. canadensis_ in size and shape of the auditory bullae and
in the shape of the nasals, but in their darker coloration, broadly
rounded incisive foramina, and relatively narrow pterygoid fossae they
are more nearly like _Z. h. hudsonius_ to which they are here referred.
Specimens from Minaki, Ontario, are tending toward _Zapus hudsonius
intermedius_ in lighter coloration but in the size and shape of the
auditory bulla, size and shape of the incisive foramina, and in the
width of the pterygoid fossae they are more nearly like _Z. h.
hudsonius_ to which they are here referred. Specimens from various
localities in Menominee County, Michigan, are like _Z. h. intermedius_
in shape of the incisive foramina and shape of the postpalatal notch,
but in color of pelage, size and shape of the auditory bullae, and
breadth of the pterygoid fossae they closely resemble _Z. h. hudsonius_.
In Wisconsin, intergradation occurs in color and in cranial characters
in specimens from Mercer, Solon Spring, and in a single individual from
Basswood Lake. All these specimens, however, are best referable to _Z.
h. hudsonius_.
Specimens from one mile southwest of Fairbanks and from Fairbanks,
Alaska, show intergradation with _Zapus hudsonius alascensis_ in
coloration (more brown, less black), but in small size, short, broadly
rounded incisive foramina, and in size and shape of the auditory bullae
are nearest to _Z. h. hudsonius_ to which they are here assigned.
Intergradation with _Zapus hudsonius alascensis_ is noted also in
specimens from McIntyre Creek, Yukon. They are like _Z. h. alascensis_
in the size and shape of the auditory bullae and in the more elongate
incisive foramina, but in the coloration, size of the pterygoid fossae,
and breadth of the braincase are more nearly like _Z. h. hudsonius_ and
are here referred to this geographic race.
In British Columbia, in specimens from 1 mi. NW junction of Irons Creek
and Laird River as well as in those from Hot Springs, 3 mi. WNW junction
of Trout River and Laird River, and in those from 1/4 mi. S of the
junction of the same rivers, three way intergradation occurs. These
animals are like _Zapus hudsonius alascensis_ in color and in length of
tail. They agree with _Zapus hudsonius tenellus_ in shape of nasals. In
degree of inflation of auditory bullae, in length and width of incisive
foramina, and in shape of pterygoid fossae they are as in _Z. h.
hudsonius_ to which they are here assigned.
_Specimens examined._--Total, 230, distributed as follows:
ALASKA: Fairbanks, 1 (USNM); _1 mi. SW Fairbanks, 440 ft._, 1.
ALBERTA: Conibear Lake, Wood Buffalo Park, 1 (NMC); Assineau River, 1920
ft., 10 mi. E and 1 mi. N Kinuso, 1; Mountain Rapid, Athabasca River, 1
(USBS); _Brule Rapid, Athabasca River_, 1 (USBS); _25 mi. above Pelican
Rapid, Athabasca River_, 1 (USBS); Lac la Nonne, 7 (NMC); _Swift
Current, Athabasca River_, 1 (USBS); _junction Lac la Biche River and
Athabasca River_, 1 (USBS); 30 mi. above Athabasca Landing, Athabasca
River, 1 (USBS).
BRITISH COLUMBIA: 1 mi. NW junction Irons Creek and Laird River, 3; Hot
Springs, 3 mi. WNW junction Trout River and Laird River, 1; _1/4 mi. S
junction Trout River and Laird River_, 1.
MANITOBA: York Factory, 2 (USBS); Shamatawa River, 1 (USBS); Oxford
House, 15 (USBS); _Robinson Portage_, 4 (USBS); _Echamamish_, 1 (USBS);
Norway House, 1 (USBS); _Swan River_, 1 (NMC); Bird, 1 (NMC); _Aimie
Lake_, 2 (NMC); Albert's Lake, Flin Flon, 2 (NMC); Portage La Prairie
Prov., Delta, 1 (UM).
MACKENZIE DISTRICT: Fort Resolution, 3 (USBS); Fort Smith, 3 (USBS).
MICHIGAN: _Chippewa Co._: Marquette Nat'l Forest, 4; _no exact
locality_, 2. _Gogebic Co._: Mud Lake, 1/4 mi. SE Thousand Island Lake,
2. _Keweenaw Co._: Lake Manganese, 1 mi. SSE Copper Harbor, 5 (UM);
_2-1/5 mi. SE Copper Harbor_, 8 (UM); _5 mi. E Eagle Harbor_, 6 (UM); _E
end Lake Upson_, 3 (UM); _Bete Grise_, 5 (UM). _Marquette County_:
Michigamme, 3 (2 USBS). _Menominee Co._: _8 mi. N Hermansville_, 6 (UM);
_6 mi. NW Banat_, 8 (UM); _5 mi. SW Banat_, 8 (UM); _8 mi. SW Banat_, 2
(UM); _7 mi. E Stephenson_, 3 (UM); _8 mi. WSW Stephenson_, 2 (UM); _10
mi. W Stephenson_, 2 (UM); _13 mi. WSW Stephenson_, 2 (UM); 5 mi. N
Menominee, 2 (UM).
MINNESOTA: _Lake Co._: Splitrock River, 2 (UM); _St. Louis County_:
Tower, 27 (USBS).
ONTARIO: Fort Severn, Kenora District, 6 (ROM); Minaki, 7 (MVZ); _30 mi.
NE Port Arthur_, 6 (UM); Silver Islet, Thunder Bay District, 4 (NMC);
_20 mi. SW Fort Williams_, 3 (UM); _20 mi. SE Fort Williams_, 1 (UM).
SASKATCHEWAN: Emma Lake, 3 (ROM).
WISCONSIN: _Bayfield County_: _Herbster_, 4 (USBS); Brinks Camp,
Washburn, 1 (AMNH); _Basswood Lake, 10 mi. SE Iron River_, 1 (USBS).
_Douglas County_: Solon Springs, 9 (USBS). _Forest County_: Crandon, 1
(USBS). _Iron County_: Mercer, 2 (USBS). _Oneida County_: _Crescent
Lake_, 2 (USBS). _Vilas County_: _Mamie Lake_, 2 (USBS); _Lake St.
Germain_, 9 (USBS).
YUKON: Lake Lebarge, 3 (USBS); Forks of MacMillian River, 1 (USBS);
McIntyre Creek, 2250 ft., 3 mi. NW Whitehorse, 4.
_Marginal records._--Alaska: Fairbanks. MacKenzie: Ft. Resolution.
Manitoba: York Factory. Ontario: Fort Severn, Kenora District; Silver
Islet, Thunder Bay Dist. Michigan: Marquette Nat'l Forest; 5 mi. N
Menominee. Wisconsin: Crandon; Solon Springs. Minnesota: Tower.
Manitoba: Portage la Prairie Prov., Delta. Saskatchewan: Emma Lake.
Alberta: 30 mi. above Athabasca Landing, Athabasca River; Lac la Nonne.
British Columbia: 1 mi. NW junction Irons Creek and Laird River. Yukon:
McIntyre Creek, 2250 ft., 3 mi. NW Whitehorse; Lake Lebarge.
=Zapus hudsonius intermedius= new subspecies
_Type._--Male, adult, No. 83400, Univ. Michigan Mus. Zool.; Ridgeway,
Winneshiek County, Iowa; obtained on July 22, 1939, by S. A. Hoslett,
original No. 517.
_Range._--Eastern Montana, North Dakota, probably northern South Dakota,
all but northern parts of Minnesota and Wisconsin, Iowa, Illinois,
southwestern Indiana, and western Kentucky. See fig. 47. Zonal range:
Upper Austral (Upper Sonoran and Carolinian) and Transition (Alleghanian
and Transition).
_Description._--Size medium; back from near Warm Buff to near
Ochraceous-Buff with admixture of hair tipped with black or dark brown
usually forming distinct, broad, dorsal band; sides lighter, from near
Warm Buff to near Ochraceous-Buff with sparse mixture of dark-tipped
hairs; lateral line often poorly marked but when present of clear
Ochraceous-Buff; belly white, sometimes with slight suffusion of color
of sides; tail bicolored, grayish-brown to brownish-black above, white
to grayish-white or yellowish-white below; ears dark, narrowly edged
with color of sides; feet white to grayish-white above; tail relatively
short; lateral margins of nasals parallel; auditory bullae relatively
short, broadly rounded, and moderately inflated; incisive foramina
relatively long and narrow; pterygoid fossae relatively narrow; zygomata
relatively long; inferior ramus of zygomatic process of maxillary
frequently lacking a median projection.
_Comparisons._--From _Zapus hudsonius pallidus_, _Z. h. intermedius_
differs as follows: Coloration duller, not so bright, more yellow or
buff and less bright Ochraceous-Buff; interorbital region averaging
narrower; incisive foramina averaging longer and narrower; condylobasal
length averaging greater; braincase averaging broader; mastoid region
averaging broader.
For comparisons with _Zapus hudsonius hudsonius_, _Zapus hudsonius
campestris_, and _Zapus hudsonius americanus_ see accounts of those
subspecies.
_Remarks._--_Zapus hudsonius intermedius_ has a large geographic range.
There is some variation detectable when individuals from widely separate
localities are compared, but where there is much variation it is
obviously the result of intergradation. All characters differentiating
_Z. h. intermedius_ from any contiguous subspecies are not present in
every specimen even in the type series. Nevertheless, a certain series
of cranial characters (narrow incisive foramina, short rounded auditory
bullae, parallel lateral margins of nasals and narrow pterygoid fossae)
is diagnostic.
Animals obtained from extreme southwestern Indiana and from eastern
Illinois approach _Z. h. americanus_ in color and in shape of the
incisive foramina, but in the shape of the nasals, width of the
pterygoid fossae and breadth of the zygomata are most nearly like _Z. h.
intermedius_ to which they are here referred. Specimens from Lake and
Kane counties, Illinois, also show affinity with _Z. h. americanus_ in
color, but cranially are most nearly like _Z. h. intermedius_ and are
assigned to that subspecies.
Two specimens from southern Illinois (Perry County) are intergrades
between _Z. h. pallidus_ and _Z. h. intermedius_. Cockrum and Baker
(1950:3) mentioned that these individuals showed evidence of
intergradation with _Z. h. pallidus_ in color of the pelage and the
breadth of the least interorbital constriction. In other characters the
specimens are most nearly like _Z. h. intermedius_ to which they are
here referred. Animals from Lyon County, Iowa, also show intergradation
between _Z. h. pallidus_ and _Z. h. intermedius_. These individuals are
most nearly like _Z. h. pallidus_ in interorbital breadth of the skull
but in other characters agree with _Z. h. intermedius_ and, therefore,
are referred to that subspecies.
Intergradation between _Z. h. campestris_ and _Z. h. intermedius_ is
noted in a specimen from 7 mi. NE Glendive, Montana. This individual has
the larger, broader, auditory bullae and more widely bowed incisive
foramina of _Z. h. campestris_, but in color, in smaller external size,
and in the majority of cranial characters it is best referred to _Z. h.
intermedius_.
Specimens from the north-central periphery of the geographic range of
_Z. h. intermedius_ (northern Minnesota and Wisconsin) on the average
are darker, have longer auditory bullae, wider bowed incisive foramina,
and (some specimens) a slightly wider pterygoid fossa than is normal in
more southern populations. This deviation from the norm is interpreted
as intergradation between _Z. h. hudsonius_ and _Z. h. intermedius_.
Individuals from Burnett, Price, and Oconto counties, Wisconsin, and
those from Cass and southern Clearwater counties, Minnesota, show such
intergradation but are here considered to be _Z. h. intermedius_.
_Specimens examined._--Total, 199, distributed as follows:
ILLINOIS: _Coles Co._: Fox Ridge State Park, 1 (UIM). _Fulton Co._: _1/2
mi. N Norris_, 2 (UIM); _3 mi. N Canton_, 1 (UIM); _2-1/2 mi. N Canton_,
2 (UIM); _2 mi. NW Canton_, 3 (UIM); 2 mi. W Canton, 1 (UIM); _3 mi. SW
Monterey_, 1 (UIM). _Jo Daviess Co._: _near Galen_, 3 (FM). _Kane Co._:
Sugar Grove, 1 (Chic. AS). _Lake Co._: Fox Lake, 4 (FM); _Pistake Bay_,
1 (FM). _Perry Co._: 6 mi. S Pinckneyville (near Pyatt), 2 (SITC).
_Vermilion Co._: _Kickapoo State Park_, 2 (UIM); Jordan Creek, 3 mi. NE
Fairmont, 5 (UIM).
INDIANA: _Owen Co._: La Fayette, 1 (USNM). _Parks Co._: Turkey Run State
Park, 2 (1 UM; 1 UIM). _Posey Co._: Hovey Lake, 1 (UM); New Harmony, 2
(Clev. MNH); no exact locality, 2 (UM). _Sullivan Co._: no exact
locality, 1 (UM).
IOWA: _Dickinson Co._: _Camp Forester, E Okeboji Lake_, 3 (ISC). _Emmet
Co._: Fort Defiance State Park, 1 (ISC). _Hamilton Co._: _Little Wall
Lake, Jewell_, 6 (ISC). _Ida Co._: Arthur, 1 (ISC). _Lyon Co._: Elgin
Township, Sec. 35, 2 (ISC); _Riverside Township, Sec. 28_, 1 (ISC).
_Palo Alto Co._: _Ruthven_, 1 (ISC). _Sioux Co._: Ireton, 1 (UM). _Story
Co._: Ames, 1 (ISC). _Winneshiek Co._: Decorah, 3 (UM); _Ridgeway_, 11
(UM); Conover, 3 (UM).
KENTUCKY: _Lyon Co._: no exact locality, 1 (USNM).
MONTANA: _Dawson Co._: Yellowstone River, 7 mi. NE Glendive, 2000 ft., 1
(MVZ).
MINNESOTA: _Cass County_: _Cass Lake_, 7 (USBS). _Clearwater Co._:
Itasca Park, Biological Station, 5 (UM). _Grant Co._: 3 mi. NW Barrett,
1 (UM). _Jackson Co._: 4 mi. E Heron Lake, 1 (UM). _Ottertail Co._: _5
mi. NW Vergas_, 8 (UM); _4 mi. NW Ashley, 1430 ft._, 2. _Ramsey Co._:
St. Paul, 1 (UM). _Sherburne County_: Elk River, 23 (2 UM; 6 MVZ; 3
USBS). _Winona County_: La Crescent, 3 (USBS).
NORTH DAKOTA: _Cass County_: Fargo, 1 (USBS). _Dickey County_: _Ludden_,
1 (USBS); Ellendale, 1 (USBS). _Kidder County_: _Pettibone_, 3 (Chic.
AS). _La Moure County_: _La Moure_, 1 (USBS). _Oliver County_: Fort
Clark, 3 (USBS). _Pembina County_: Pembina, 2 (USNM). _Ramsey County_:
Devils Lake, 3 (USBS). _Ramson County_: _Lisbon_, 1 (USBS). _Richland
County_: _Wahpeton_, 2 (USBS); _5 mi. NE Fairmont, Sioux River_, 5
(USBS); Blackner, 2 (USBS). _Rolette County_: Fish Lake, 2 (USBS).
_Sioux County_: Cannon Ball, 4 (USBS). _Williams Co._: Grinnell, 2
(USBS).
WISCONSIN: _Burnett County_: Danbury, 1 (USBS). _Chippewa County_:
_Holcombe_, 3 (USBS). _Clark County_: _Withee_, 4 (USBS); _Worden
Township_, 2 (USBS). _Crawford County_: Lynxville, 1 (USBS). _Dane Co._:
_Madison_, 2 (OHIO). _Dodge Co._: _Horicorn Refuge_, 2 (USBS). _Juneau
County_: _Mather_, 1 (USBS). _Marathon Co._: _Rib Hill_, 8 (USBS).
_Oconto County_: Lakewood, 1 (USBS). _Portage County_: Stevens Point, 3
(USBS). _Price County_: Ogema, 2 (USBS). _Rock County_: Milton, 1
(USBS). _Sauk County_: _Devils Lake_, 1 (USBS). _Sheboygan County_: 8
mi. SW Mellen, 1 (USBS); _Elkhart Lake_, 1 (USBS). _Walworth County_:
_Delavan, Fosters Bridge_, 1 (USBS); _Turtle Lake_, 1 (USBS). _Wood
Co._: _Thorp Township_, 2 (AMNH); _Hewett Township_, 4 (AMNH).
_Marginal records._--North Dakota: Fish Lake; Pembina. Wisconsin:
Danbury; Ogema; Lakewood. Illinois: Fox Lake. Indiana: La Fayette; New
Harmony. Illinois: 6 mi. S Pinckneyville (near Pyatt). Iowa: Ames;
Arthur; Ireton. Montana: Yellowstone River, 7 mi. NE Glendive, 2000 ft.
North Dakota: Grinnell.
=Zapus hudsonius ladas= Bangs
_Zapus hudsonius ladas_ Bangs, Proc. New England Zool. Club, 1:10,
February 28, 1899.
_Type._--Female, adult, skin and skull, No. 4169, E. A. and O. Bangs
Coll. (now in Mus. Comp. Zool.); Rigoulette, Hamilton Inlet, Labrador;
obtained on July 18, 1895, by C. H. Goldthwaite.
_Range._--Eastern Quebec north of Gulf of St. Lawrence, Labrador, and
Newfoundland. See fig. 47. Zonal range: Canadian and Hudsonian.
_Description._--Size medium; back relatively dark, near Ochraceous-Tawny
with admixture of black-tipped hair; dorsal band relatively wide but not
sharply defined against color of sides; side lighter than back, from
near Ochraceous-Tawny to near Cinnamon and lined with black-tipped hair;
lateral line distinct of clear Cinnamon-Buff or Light Ochraceous-Buff;
underparts white, often suffused with Ochraceous-Buff; tail distinctly
bicolored, dark brown to black above and yellowish-white to
grayish-white below; ears dark, usually flecked with Tawny Ochraceous
and edged with ochraceous; feet grayish-white above; incisive foramina
relatively short and broad; pterygoid fossae relatively broad; auditory
bullae broad and well inflated; mastoid region relatively broad;
zygomata relatively short; inferior arm of zygomatic process of
maxillary relatively broad.
_Comparison._--From _Zapus hudsonius acadicus_, which _Z. h. ladas_
closely resembles, it differs in: Color darker, dorsal band much less
distinct, underparts more frequently suffused with Ochraceous-Buff;
auditory bullae relatively broader and more inflated; pterygoid fossae
broader; zygomata averaging shorter; incisive foramina relatively
shorter; inferior arm of zygomatic process of maxillary relatively
broader.
From _Zapus hudsonius canadensis_, _Z. h. ladas_ differs as follows:
Color darker, more richly tawny, dorsal band less distinct; auditory
bullae relatively shorter, more inflated; pterygoid fossae averaging
broader; zygomata averaging broader; incisive foramina averaging longer.
_Remarks._--This subspecies retains all of its diagnostic characters
throughout nearly all parts of its geographic range. Specimens from Nova
Scotia are like _Z. h. ladas_ in their darker color and less distinct
dorsal band, but in the remainder of their characters they are distinct
and best referable to _Z. h. acadicus_.
_Zapus h. ladas_, with its relatively large size, poorly defined dorsal
band, and broad, well inflated auditory bullae, is one of the better
marked subspecies of the species _Zapus hudsonius_.
_Specimens examined._--Total, 41, distributed as follows:
LABRADOR: Mahkovik, 1 (USNM); Etagaulet Bay, Lake Melvikl, 2 (USNM); 3
mi. above mouth of Naskaupi River, 1 (USNM); _Northwest River_, 6,
(USNM); Cartwright, 1 (USBS); Muskrat Falls, Hamilton River, 1 (USNM);
Hamilton River, Flour Lake, 3 (USNM); Hawke Harbor, 4 (USNM); Goose Bay,
3 (USNM); _Niger Sound, Islet Bay_, 1 (USNM); Red Bay, 5 (USNM);
_Mecklenburg Harbor_, 2 (USNM); _Mary Harbor_, 1 (USNM).
NEWFOUNDLAND: Hare Harbor, 3 (USNM).
_Quebec_: northwest Ungava, 1 (NMC); Moise Bay, 5 (NMC); Trout Lake,
near Moise Bay, 1 (NMC).
_Marginal records._--Labrador: Mahkovik; Red Bay. Newfoundland: Hare
Harbor. Quebec: Trout Lake, near Moise Bay; northwest Ungava.
=Zapus hudsonius pallidus= Cockrum and Baker
_Zapus hudsonius pallidus_ Cockrum and Baker, Proc. Biol. Soc.
Washington, 63:1, April 26, 1950.
_Jaculus hudsonius_, Baird, Repts. Expl. and Surv. 111, 8
(pt. 1):433, July 14, 1858 (part--the part from Platte River,
Nebraska, and Cass County, Missouri).
_Zapus hudsonius_, Coues, Bull. U. S. Geol. and Geog. Surv. of the
Territories, 2nd ser. No. 5:260, 1877 (part--the part from Platte
River, Nebraska).
_Zapus hudsonius campestris_ Preble, N. Amer. Fauna, 15:20, August
8, 1899 (part--the part from Columbus in Nebraska and Jackson
County in Missouri).
_Type._--Male, adult, No. 22953, Univ. Kansas Mus. Nat. Hist.; NW corner
sec. 4, T. 12S, R. 20E, 5-1/2 mi. N, 1-3/4 mi. E Lawrence, Douglas
County, Kansas; obtained on May 4, 1948, by E. Lendell Cockrum and
Rollin H. Baker, original No. 916 of Cockrum.
_Range._--Southern South Dakota, Nebraska, Kansas, Missouri, and
northeastern Oklahoma. See fig. 47. Zonal range: Upper Austral (Upper
Sonoran and Carolinian).
_Description._--Size small; back near Cinnamon-Buff with admixture of
dark-tipped hair forming distinct, broad, dorsal band; sides bright
Cinnamon-Buff with sparse mixture of dark-tipped hair; lateral line
usually distinct, of clear Cinnamon-Buff; belly white, sometimes with
suffusion of color of sides, tail bicolored, brownish to brownish-black
above, grayish-white to yellowish-white below; ears dark, narrowly edged
with color of sides; feet white to grayish-white above; mastoid region
relatively narrow; maxillary tooth-row relatively short; zygomata
relatively short; zygomatic arch relatively broad; interorbital region
relatively broad; auditory bullae relatively small and narrow; lateral
margins of nasals not constricted posteriorly.
_Comparisons._--From _Zapus hudsonius preblei_, _Z. h. pallidus_ differs
as follows: Coloration brighter and richer, more buff, less black;
zygomatic arch more broadly bowed; condylobasal length averaging less;
braincase narrower; interorbital region broader; incisive foramina
shorter.
For comparisons with _Zapus hudsonius pallidus_ and _Zapus hudsonius
intermedius_ see accounts of those subspecies.
_Remarks._--The characters that distinguish this jumping mouse from
neighboring kinds are relatively stable throughout most of its
geographic range. _Zapus hudsonius pallidus_ is one of the best defined
subspecies of _Z. hudsonius_.
One specimen from Batesland, South Dakota, is referred to _Z. h.
pallidus_ but shows evidence of intergradation with _Zapus hudsonius
campestris_ in the shape of the nasals, incisive foramina, and in
breadth of the zygomatic arch. An animal from 3 mi. NE Ponca, Nebraska,
is intermediate between _Z. h. pallidus_ and _Zapus hudsonius
intermedius_ in size and shape of the auditory bullae and in the breadth
of the pterygoid fossae, but since this individual shows more
resemblance to _Z. h. pallidus_ in coloration and in the majority of
cranial characters it is here referred to _Z. h. pallidus_. Specimens
from Beemer, Nebraska, show an intergrading tendency toward _Zapus
hudsonius intermedius_ in the reduced lateral bowing of the zygomatic
arch and in shorter zygomata. Since these individuals resemble _Z. h.
pallidus_ in the majority of characters they are referred to that race.
An individual of _Z. h. pallidus_ from Pevely, Missouri, is to some
extent an intergrade with _Z. h. intermedius_ of neighboring southern
Illinois. Two individuals of _Z. h. pallidus_ from Mohawk Park,
Oklahoma, are darker dorsally than, but otherwise similar to, specimens
from the type locality.
_Zapus hudsonius pallidus_ seems to be the terminus of a cline; this is
a southward trend toward smaller size and lighter, brighter color. There
is a similar clinal tendency in the jumping mice in eastern North
America, and _Z. h. americanus_ from North Carolina, pronouncedly
resembles _Z. h. pallidus_ from Kansas.
_Specimens examined._--Total, 44, distributed as follows:
KANSAS: _Brown Co._: Horton, 1. _Douglas Co._: Sec. 8, T. 123, R. 20E,
5-1/2 mi. N, 1-3/4 mi. E Lawrence, 10; _5 mi. N and 1-1/2 mi. E
Lawrence_, 3; _Robinson Farm, 5 mi. N and 3 mi. E Lawrence_, 2; _4 mi.
N, 2-1/2 mi. E Lawrence_, 1; Lakeview, 2; _7-1/2 mi. SW Lawrence_, 1.
_Greenwood Co._: 1/2 mi. S Hamilton, 1.
MISSOURI: _Cole Co._: Jefferson City, 2 (MO). _Jackson Co._: _no exact
locality_, 1 (USBS). _Jefferson County_: Pevely, 1 (USBS).
NEBRASKA: _Blaine Co._: _Dismal River, at Thomas-Blaine County line_, 1
(NGFP). _Boyd Co._: 2 mi. E and 15 mi. S Spencer, 1. _Buffalo Co._:
Platte Meadows, Kearney, 1 (HM). _Butler Co._: 5 mi E Rising City, 1.
_Cherry Co._: Niobrara River, 18 mi. NW Kennedy, 1; Ballard Marsh, 20
mi. S Valentine, 1 (JKJ); _Pony Lake Headquarters, Valentine Nat'l
Wildlife Refuge_, 1 (JKJ). _Colfax Co._: _2 mi. S Schuyler_, 1 (JKJ).
_Cuming County_: Beemer, 4 (USBS). _Dixon Co._: 3 mi. NE Ponca, 1.
_Platte County_: _Columbus_, 1 (USBS). _Richardson Co._: 5 mi. SE Rulo,
1 (NGFP).
OKLAHOMA: _Tulsa Co._: Mohawk Park, 2 (UM).
SOUTH DAKOTA: _Bennett Co._: Batesland, 1 (FM).
_Marginal records._--South Dakota: Batesland. Nebraska: 3 mi. NE Ponca;
Beemer; 5 mi. SE Rulo. Missouri: Pevely. Oklahoma: Mohawk Park. Kansas:
1/2 mi. S Hamilton. Nebraska: Platte Meadows, Kearney; Ballard Marsh, 20
mi. S Valentine; Niobrara River, 18 mi. NW Kennedy.
=Zapus hudsonius preblei= new subspecies
_Type._--Male, adult, No. 73085, U. S. Nat. Mus., Biol. Surv. Coll.;
Loveland, Larimer County, Colorado; obtained on July 23, 1895, by E. A.
Preble, original No. 435.
_Range._--Southeastern Wyoming and north-central Colorado. See fig. 47.
Zonal range: Transition.
_Description._--Size medium; color dull, back from near Clay Color to
near Tawny-Olive with admixture of black hair forming poorly defined
dorsal band; sides lighter than back from near Clay Color to near
Cinnamon-Buff; lateral line distinct and clear Ochraceous-Buff; belly
white, sometimes with faint wash of clear Ochraceous-Buff; tail
bicolored, brownish to light brownish-black above, grayish-white to
yellowish-white below; ears dark, narrowly edged with color of sides;
feet grayish-white above; incisive foramina relatively narrow and
elongate; auditory bullae moderately inflated; pterygoid fossae
relatively broad; postpalatal notch broadly rounded; interorbital region
relatively narrow; zygomatic arch not widely bowed; frontal region well
inflated; distance from incisors to postpalatal notch relatively short.