American Weasels
章节目录
共 53 段- The absence of the last two upper molars and last molar in t
- Next, the specimens of one species were arranged in trays in
- However, I freely admit that the evidence does not _prove_ t
- The third erythristic specimen is a subadult female, of _M.
- For reasons set forth later, _M. erminea_ is judged to resem
- Temperature and moisture acting together may cause extensive
- 1813. =Brasiliensis= (_Mustela_) Sevastianoff, Mem. Acad. Im
- 1945. =bangsi= (_Mustela erminea_) Hall, Jour. Mamm., 26:176
- George Measham, of Winnipeg, found sign in the snow indicati
- Ognev (_op. cit._) who used the name combination _Mustela er
- The white, winter skin is only moderately well stuffed but i
- Although in most structural features _richardsonii_ is a sor
- _Type._--Male, subadult, skull and skin; no. 11541, D. R. Di
- Female (based on 5 adults, from localities listed in the tab
- _Remarks._--The characters shown in the one available skull
- In comparison with _richardsonii_, skulls of males differ as
- _Color._--As described in _Mustela erminea richardsonii_ exc
- _Characters for ready recognition._--Differs from both _Must
- On July 1, 1917, in Clay County, Nebraska, a nest with four
- _Range._--Wisconsin, northern Illinois, northern Indiana,
- More instances of climbing, than of swimming, have been repo
- Golden-mantled ground squirrel (_Citellus lateralis_).--On A
- "We wish to point out, too, that only the exceptional weasel
- _Skull and teeth._--Male (based on ten adults from Massachus
- =Maine.= _Oxford County_: South Andover, 2 (Boston Soc. Nat.
- _Specimens examined._--Total number, 131, arranged alphabeti
- Two males, in the United States National Museum, Biological
- Study of the specimens here assigned to _spadix_ reveals tha
- Female (based on 5 adults: Alberta, 3; N. D., 1; Sask., 1.):
- Specimens from near Waterton Lake show several steps in the
- _Characters for ready recognition._--Differs from _M. f. ori
- =California.= _Siskiyou County_: Hornbrook, 1; Tule Lake Ref
- _Skull and teeth._--Male (based on 22 adult topotypes): See
- Of 23 adult skulls examined, 19 have the frontal sinuses mal
- Compared with the skull of the male of _nevadensis_ that of
- _Color._--Spot between eyes, band, confluent with color of
- _Color._--Spot between eyes, band confluent with color of
- Actual intergradation with _M. f. frenata_ is not shown by t
- The series of thirty-four specimens from Brownsville, Texas,
- As would be expected from its geographic position, _M. f. pe
- _Remarks._--This large weasel appears to have escaped the no
- _Skull and teeth._--Male (based on type specimen, one adult
- Adequate specimens from central and southern Panamá may reve
- _Mustela aureoventris_ Gray, Proc. Zoöl. Soc. London, 1864:5
- To judge from the skull of the female from Macate and the sk
- _Color._--Top of head blackish posteriorly to behind ears; u
- The opened mouth of the mounted specimen permits one to dete
- A. M. N. H. 2490/1886 [F] ad. S. F. Forest, Arizona
- Mustela frenata
- 8.3 11.5 16.4 18.4 11.5 5.9 4.2 3.7 3.9 2.9
- 1935. Apparently neutral relations of weasel and squirrel. J
- _d._ _Mustela erminea richardsonii_, [F] ad., 129703, U. S.
- _h._ _Mustela frenata nigriauris_, [F] ad., 3761, M. V. Z.,