LASIL'RUS. 



15 



a genus of Vcspertilionidse by Piafiuesque. Dr. Gray/ quoting 

 this author, adopts the name but without defining the genus. 

 Mr. Tomes, in his Monograph of Lasiurus,^ while dwelling at 

 length on the species, says nothing of the characters common to 

 them all, nor have I been able to find in any author the de- 

 sired information as to w"ho gave the original description and 

 where its record is to be found. It appears, nevertheless, that 

 naturalists have readily recognized the propriety of considering 

 Lasiurus as distinct from Vctipertilio. 



The following is a synopsis of the species included under 

 Lasiurus : — 



a. Posterior surface of interfemoral membrane concealed by hair. 



Border of ear light brown 

 Border of ear black 



L. noveboracensis. 

 L. cinereus. 



b. Posterior surface of interfemoral membrane exposed. L. intermedius. 



L.asiiiriis noveboracensis, Tomes. 



The Bed Bat 

 Fig. 13. Fig. 14. 



t:f4f 



^iS^ 



VespertiUo novehoract-nxis, Erxl. Syst. Reg. Anim. 17^7, 135. — Harlan, 

 Fauna Amer. 182.5, 20.— (jodman, Amer. Nat. Hist. I, 1826, 50.— 

 Cooper, Ann. Lye. Nat. Hist. N. Y. 1837, 57. — DeKay, Nat. Hist. N. Y. 

 (Zool.) 1842, 6, pi. ii.— Leconte, Proc. Acad. Nat. Sci. 1855, 432. 



Ni/cticejus noveboracensis, Leconte, Cuv. Regn. Anim. (McMurtrie's) Ap- 



' List of the species of Mammalia of the British Museum, 1S43, 32. 

 2 Proc. Zool. Soc. XXV, 1857, 34. 



