MAMMALS-MARTINAE—-PUTORIUS FRENATUS. 
173 
Measurements. 
P. kaneii. 
P. erminea. 
2330. 
1458. 
382. 
Tip of nose to tail_ 
8. 50 
8.50 
10. 50 
Tail to end of vertebrse_*___ 
2. 60 
1.90 
2.75 
Tail to end of hairs.-.. 
4. 00 
3.40 
5. 00 
Hind foot_ 
1.35 
1.35 
1.90 
Black of the tail.... 
2.00 
1.80 
3. 40 
List of specimens. 
Catalogue 
number. 
Locality. 
When collected. 
Whence obtained. 
Nature of spe¬ 
cimen. 
‘ 1458 
2330 1 
Semipalatinsk, Siberia_ 
Winter __ 
Dr G. Hartlaub-_...... 
Skin_ 
Tchucktchi county, Kamtschatka_ 
Summer_ 
Capt. J. Rodgers, U. S. N_ 
...do. 
PUTORIUS FRENATUS. 
Bridled Weasel. 
Muslela frenala, Licht. Darstell. Saugt. 1827—1834 ; pi. xlii. 
Aud. & Bach. J. A. N. Sc. VIII, n, 1842, 291. 
Muslela frenala, Gray, Zool. Sulphur, 1844, 31; pi. ix. (Head.) 
Mustela (Gale) frenala, Wagner. Suppl. Schreb. Saugt. II, 1841,234. 
Putorius frenata, Aud. & Bach. N. A. Quad. II, 1851, 71. (Plate lx.?) 
?? “ Muslela brasiliensis, Sewast. Mem. Acad. St. Petersb. IV, 1811, 356; tab. iv.” 
“ D’Orb. Voyage Amer. Mer. Mam ; pi. xiii, f. 3, skull.” 
Sp. Ch.— Tail vertebrse rather more than half the length of body ; the terminal hairs one-fifth to one-sixth this length. Head 
above, dark brown, nearly black, with three white marks, one between the eyes, and another in advance of each ear. Above, 
chestnut brown ; beneath, yellowish white. Tail tipped with black. 
The body of this species is slender and elongated ; the limbs rather short; the tail vertebrm 
rather more than half the length of the body. The ears are moderately long and high, coated 
■with hair on both sides; more or less naked within the meatus. The posterior edge of the ear 
is split into two laminae, as usual in the weasels. The eye is rather large, its centre situated 
about half way between the nose and the anterior edge of the meatus. There are seven folds of 
the gum, of which the anterior two are convex anteriorly ; the next three bow-shaped, or in a 
double curve; all five continuous across the palate, except, perhaps, the last one ; the posterior 
two are likewise convex anteriorly, but interrupted in the centre. There is also a pair of 
1 Collected by Mr. Stimpson on the island of Arikamtchitchi, in Behring Straits, who informs me that of many specimens 
seen, all were of this diminutive size. 
