Fes., 1912. MamMats or ILLINoIs anpD WisconsIn—Cory. 435 
Scalopus aquaticus machrinus (RAFINESQUE). 
Prairie Mote. 
Talpa machrina RAFINESQUE, Atlantic Journal, I, 1832, p. 61. 
Scalops argentatus LAPHAM, Trans. Wis. State Agr. Soc., II, 1852 (1853), p. 338 
(Wisconsin). Kennicott, Trans. Ill. State Agr. Soc., I, 1853-54 (1855), p. 578 
(Cook Co., Illinois). J0., Agr. Rept. for 1857, U. S. Patent Office Rept., 1858, 
p. 97 (Illinois, etc.). Tuomas, Trans. Ill. State Agr. Soc., IV, 1859-60 (1861), 
p. 653 (Illinois). ALLEN, Proc. Bost. Soc. Nat. Hist., XIII, 1869 (1871), p. 187 
(Iowa). STRONG, Geol. Wis., Surv. 1873-79, I, 1883, p.438 (Wisconsin). Ex.ror, 
Field Columb. Mus. Pub., Zodl. Ser., I, 1898, p. 220 (Iowa). 
Scalops aquaticus MiLEs, Rept. Geol. Surv. Mich., I, 1860 (1861), p. 219 (Michigan). 
Herrick, Geol. & Nat. Hist. Surv. Minn., Bull. No. 7, 1892, p. 51 (Minne- 
sota). EVERMANN & BUTLER Proc. Ind. Acad. Sci., 1893 (1894), p. 133 (In- 
diana). 
Scalopus aquaticus machrinus JACKSON, Proc. Biol. Soc. Wash., XX, 1907, p. 74 
(S.W. Missouri). Ib., Bull. Wis. Nat. Hist. Soc., VII, 1910, p. 90 (Wisconsin). 
HOLuisTER, Bull. Wis. Nat. Hist. Soc., VI, 1908, p. 142 (Wisconsin). Howe LL, 
Proc. Biol. Soc. Wash., XXIII, 1910, p. 33 (Illinois, Missouri, Kentucky). 
Woop, Bull. Ill. State Lab. Nat. Hist., VIII, 1910, p. 589 (Illinois). 
Scalops aquaticus machrinus Hawn, Ann. Rept. Dept. Geol. & Nat. Resources 
Ind., 1908 (1909), p. 610 (Indiana). Van Hyninc & PELLETT, Proc. Iowa 
Acad. Sci., XVII, tg910, p. 215 (lowa). EveRMANN & CLark, Proc. Wash. 
Acad. Sci., XII, 911, p. 33 (Indiana). 
Type locality — Near Lexington, Fayette Co., Kentucky. 
Distribution — From Kentucky and Ohio throughout Indiana, Illinois, 
Missouri, southern Michigan, southern Wisconsin to southern 
Minnesota, eastern South Dakota and Nebraska. 
Description — Fore feet and toe- 
nails enormously developed for 
size of the animal; pelage soft 
and ‘‘velvety”’; general color 
slaty brown, somewhat paler 
on the under parts and often 
tinged with rusty; tail nearly 
naked; the largest of our 
Moles. The fore foot at its 
Skull of Prairie Mole. greatest width measures about 
three-quarters of an inch. 
Measurements — Total length, about 6.75 in. (171.5 mm.); tail verte- 
bre, 1 to 1.10 in. (25 to 28 mm.); hind foot, about .95 in. (23 to 
26 mm.), 
