470 Firtp Museum oF Natura History — Zoéiocy, Vor. XI. 
Genus NYCTERIS Borkhausen. 
Nycteris Borkh., Der Zoél. (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, 
Pp. 90. 
Lasiurus Gray, Zoél. Miscel., No. 1, 1831, p. 38. 
Ears broad and rounded; upper surface of interfemoral membrane 
covered with fur (except on the extreme edge). 
P,P M. 3-3, = 32. 
PHI a) 3-3 
Dental formula: I. oS C. 
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). 
Rep Bat. 
Vespertilio borealis MULLER, Natursyst., Suppl., 1776, p. 21. 
Vespertilio Noveboracensis LAPHAM, Trans. Wis. State Agr. Soc., II, 1852 (1853), 
Pp. 337 (Wisconsin). 
Vespertillio Noveboracensis KENNICOTT, Trans. Ill. State Agr. Soc., I, 1853-54, 1855, 
Pp. 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 Ruoaps, 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.). SNypDER, Bull. Wis. Nat. Hist. Soc., II, 1902, p. 125 (Wis- 
consin). Jackson, Bull. Wis. Nat. Hist. Soc., VI, 1908, p. 33 (Wisconsin). 
Haun, Ann. Rept. Dept. Geol. & Nat. Resources Ind., 1908 (1909), p. 634 
(Indiana). HoweLt, Proc. Biol. Soc. Wash., XXII, 1909, p. 68 (Tennessee). 
Ib., XXIII, 1910, p. 33 (Illinois, Kentucky). Woon, Bull. Ill. State Lab. Nat. 
Hist., VIII, 1910, p. 597 (Illinois). N.A. Woop, 13th Rept. Mich. Acad. Sci., 
1911, p. 134 (Charity Islands, Saginaw Bay, Michigan). 
