Fres., 1912. _Mammats oF ILLInois AND Wisconsin — Cory. 381 
Putorius rixosus allegheniensis (RHOADS). Type locality — Beallsville, Washington 
Co., Pennsylvania. Description as previously given. 
Putorius longicauda spadix BanGs. (Proc. Biol. Soc. Wash., X, 1896, p. 8.) Type 
locality — Fort Snelling, Hennepin Co., Minnesota. Similar to longicauda, but 
darker in summer. Average length of males about 18 inches; tail vertebrae 
about 6.50 inches; upper parts somewhat more walnut brown than novebora- 
censis in summer, and lacking saffron yellow wash on rump and base of tail in 
winter; tail decidedly longer; feet whitish. 
Genus MUSTELA * Linn. 
Mustela Linneus, Syst. Nat., X ed., I, 1758, p. 45. Type Mustela 
martes Linn. 
Body long and thickly furred; tail bushy; feet digitigrade; soles of 
feet furred, with naked pads; lower carnassial or sectorial tooth with 
small internal tubercle on largest cusp; 5 upper cheek teeth (molars 
and premolars) and 6 lower in each side of jaws (the Minks and Weasels 
have less); skull flattened; bullae flattened; auditory meatus some- 
what tubular. 
Dental formula: I. oe, 2 Pia: = a oo ag8, 
ce i ae 4-4 are 
KEY TO THE SPECIES. 
A. Total length less than 30 inches; tail vertebree less than 10 inches; ears pointed. 
MartTEN. Mustela americana, p. 381. 
B. Total length more than 30 inches; tail vertebra: more than 10 inches; ears rounded. 
Fisuer. Mustela pennanti, p. 387. 
Mustela americana Turton. 
Marten. Pine Marten. AMERICAN SABLE. 
[Mustela] americanus TurTON, Linneeus System of Nature, I, 1806, p. 60. 
Mustela martes Lapua, Trans. Wis. State Agr. Soc., II, 1852 (1853), p. 338 (Wis- 
consin). Krnwnicott, Trans. Ill. State Agr. Soc., 1853-54 (1855), p- 578 (Cook 
Co., Illinois). 
Mustela americana Kennicort, Agr. Rept. for 1858, U. S. Pat. Office Rept., 1859, 
Pp. 242 (Illinois). Tuomas, Trans. Ill. State Agr. Soc., 1859-60 (1861), p. 654 
(Illinois). Mrves, Rept. Geol. Surv. Mich., I, 1860 (1861), p. 220 (Michigan). 
StronG, Geol. Wis., Surv. 1873-79, I, 1883, p. 436 (Wisconsin). HERRICK, 
Geol. & Nat. Hist. Surv. Minn., Bull. No. 7, 1892, p. 104 (Minnesota). MILLER, 
Proc. Bost. Soc. Nat. Hist., XXVIII, 1897, p. 42 (Nepigon, Ontario). 
* According to Thomas (Proc. Zodl. Soc. Lond., 1911, p. 139) the name Mustela 
commonly used for this genus must give place to Maries. 
