FEB., 1912. MAMMALS OF ILLINOIS AND WISCONSIN CORY. 435 



Scalopus aquaticus machrinus (RAFINESQUE). 

 PRAIRIE MOLE. 



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. 111. State Agr. Soc., I, 1853-54 (1855), p. 578 

 (Cook Co., Illinois). Ib., Agr. Rept. for 1857, U. S. Patent Office Rept., 1858, 

 p. 97 (Illinois, etc.). THOMAS, Trans. 111. 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. l88 3. P-43 8 (Wisconsin). ELLIOT, 

 Field Columb. Mus. Pub., Zool. 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). 

 HOLLISTER, Bull. Wis. Nat. Hist. Soc., VI, 1908, p. 142 (Wisconsin). HOWELL, 

 Proc. Biol. Soc. Wash., XXIII, 1910, p. 33 (Illinois, Missouri, Kentucky). 

 WOOD, Bull. 111. State Lab. Nat. Hist., VIII, 1910, p. 589 (Illinois). 



Scalops aquaticus machrinus HAHN, Ann. Rept. Dept. Geol. & Nat. Resources 

 Ind., 1908 (1909), p. 610 (Indiana). VAN HYNING & PELLETT, Proc. Iowa 

 Acad. Sci., XVII, 1910, p. 215 (Iowa). EVERMANN & CLARK, Proc. Wash. 

 Acad. Sci., XII, 1911, 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- 

 bras, i to 1. 10 in. (25 to 28 mm.); hind foot, about .95 in. (23 to 

 26 mm.). 



