470 FIELD MUSEUM OF NATURAL HISTORY ZOOLOGY, VOL. X 



Genus NYCTERIS Borkhausen. 



Nycteris Borkh., Der Zool. (Comp. Bibliothek gemein. Kennt. f. a. 



Stande, Pt. XXI), IV-VII, 1797, p. 66. Type Vespertilio nove- 



boracensis Erxleben. Miller, Proc. Biol. Soc. Wash., XXII, 1909, 



p. 90. 

 Lasiurus Gray, Zool. Miscel., No. i, 1831, p. 38. 



Ears broad and rounded; upper surface of interfemoral membrane 

 covered with fur (except on the extreme edge). 



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

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





 This genus and Nycticeius are the only ones of our genera, the 



members of which have but 2 front teeth (incisors) between the canines 

 in the upper jaw; the others have 4. 



Nycteris borealis (MULLER). 

 RED BAT. 



Vespertilio borealis MULLER, Natursyst., Suppl., 1776, p. 21. 



Vespertilio Noveboracensis LAPHAM, Trans. Wis. State Agr. Soc., II, 1852 (1853), 

 P- 337 (Wisconsin). 



Vespertillio Noveboracensis KENNICOTT, Trans. 111. State Agr. Soc., I, 1853-54, I 855, 

 P- 577 (Cook Co., Illinois). 



Vespertilio noveboracensis MILES, Rept. Geol. Surv. Mich., I, 1860 (1861), p. 219 

 (Michigan). 



Atalapha noveboracensis H. ALLEN, Bull. U. S. Nat. Mus., No. 43, 1893, p. 153 

 (Illinois, Wisconsin, Michigan). EVERMANN & BUTLER, Proc. Ind. Acad. Sci., 

 1893 (1894), p. 134 (Indiana). 



Atalapha borealis RHOADS, Proc. Acad. Nat. Sci. Phila., 1896 (1897), p. 203 (Ten- 

 nessee). 



Lasiurus noveboracensis ALLEN, Proc. Bost. Soc. Nat. Hist., XIII, 1869 (1871), 

 p. 187 (Iowa). STRONG, Geol. Wis., Surv. 1873-79, I> 1883, p. 438 (Wisconsin). 

 HERRICK, Geol. & Nat. Hist. Surv. Minn., Bull. No. 7, 1892, p. 28 (Minnesota). 



Lasiurus borealis MILLER, N. Amer. Fauna, No. 13, 1897, p. 108 (Illinois, Kentucky, 

 Missouri, etc.). SNYDER, Bull. Wis. Nat. Hist. Soc., II, 1902, p. 125 (Wis- 

 consin). JACKSON, Bull. Wis. Nat. Hist. Soc., VI, 1908, p. 33 (Wisconsin). 

 HAHN, Ann. Rept. Dept. Geol. & Nat. Resources Ind., 1908 (1909), p. 634 

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

 Ib., XXIII, 1910, p. 33 (Illinois, Kentucky). WOOD, Bull. 111. State Lab. Nat. 

 Hist., VIII, 1910, p. 597 (Illinois). N. A. WOOD, I3th Rept. Mich. Acad. Sci., 

 1911, p. 134 (Charity Islands, Saginaw Bay, Michigan). 



