Feb., 1912. Mammals of Illinois and Wisconsin — Cory. 467 



entitled to a place in a Wisconsin list (/. c, p. 31), an opinion with 

 which, in so far as the record in question is concerned, I most heartily 

 concur. 



Like others of our Bats it is strictly insectivorous. It frequents 

 caves when available during the winter. The number of young varies 

 from one to three. Hahn says, "mating takes place about the end of 

 November and the young are probably born in July. The single 

 pregnant female which I have examined contained three very small 

 embryos on the 6th of June" (/. c, p. 630). 



Specimens exaniined from Illinois: 

 Illinois — Rosiclaire, Hardin Co., 14 (5 in alcohol); Olive Branch, 



Alexander Co., 5; Golconda, Pope Co., 10 (8 in alcohol); Ozark, 



Johnson Co., i; (0.) Charleston, Coles Co., 1=31. 



Genus EPTESICUS Rafinesque. 



Eptesicus Rafinesque, Annals of Nature, 1820, p. 2. Type Eptesicus 

 melanops Rafinesque. Miller, Bull. U. S. Nat. Mus., I, No. 57, 

 1907, p. 208. 

 Ears rather thick and leathery; tragus broadest near the middle 



and tapering to a point; rostrum more or less flattened; nares and 



palatal emargination not noticeably enlarged. 



Dental formula: I. ^^, C.^^, Pm. '-^, M.^^=32. 

 3-3 i-i 2-2 3-3 



Eptesicus fuscus (Beauvois). 

 Brown Bat. Large Brown Bat. 



Vespertilio fuscus Beauvois, Catal. Peale's Mus. Phila., 1796, p. 14. Miles, 



Rept. Geol. Surv. Mich., I, i860 (1861), p. 219 (Michigan). Miller, N. Amer. 



Fauna, No. 13, 1897, p. 98 (Illinois, Missouri). Adams, Rept. State Board 



Geol. Surv. Mich., 1908 (1909), p. 390 (Isle Royale, Michigan). 

 Adelonycteris fuscus Evermann & Butler, Proc. Ind. Acad. Sci., 1893 (1894), 



p. 134 (Indiana). Rhoads, Proc. Acad. Nat. Sci. Phila., 1896 (1897), p. 204 



(Tennessee). 

 Scotophilus fuscus Strong, Geol. Wis., Surv. 1873-79, I- 1883, p. 438 (Wisconsin). 



Herrick, Geol. & Nat. Hist. Surv. Minn., Bull. No. 7, 1892, p. 33 (Minnesota). 

 Eptesicus fuscus Miller, Bull. U. S. Nat. Mus., No. 57, 1907, p. 208. Hahn, 



Ann. Rept. Dept. Geol. & Nat. Resources Ind., 1908 (1909), p. 631 (Indiana). 



Howell, Proc. Biol. Soc. Wash., XXII, 1909, p. 68 (Tennessee). 

 Eptesicus melanops Woov), BnW. \\\. ^tate Lab. Nat. Hist., VIII, 1910, p. 596 



(Illinois). 

 Eptesicus fuscus fuscus Ward, Bull. Wis. Nat. Hist. Soc, VIII, 1910, p. 180 



(Wisconsin). 



