VESPERTILIO. 



LASIURUS. 



Fig. 87. VESPERTILIO FUSCUS. 

 No. 1131 Field Columbian Museum Coll. 



Skull twice nat. size. 



Incisors enlarged 7 times. 



.\[iasur,mtnls. Total length, iO(S.5-ii6; tail vert<_bra% 42-47.5; 

 tibia, 19. 1-19.7; foot, g. 2-10.4; forearm, 44-8-47; thumb, 6-7; longest 

 finger, 79.4-82; ear from meatus, 17-19.5; width of ear, 12-13. 3; tra- 

 gus, 7.8-8.3. 



109. Lasiiiriis. 



I=i; C. '— ; P. — '; M. 3:^'= 32. 



Lasiurus. Gray, Zool. Misc., 1831, No. i, p. 3S. 



Alalapha. Peters, Monat. K. Akad. Wiss. Berlin, 1870, p. 907. 

 (nee Rafin.) 



Small premolar at base of upper incisor on inner side, incisor in 

 contact with canine; ear broad, rounded at tip, hair)'; back of inter- 

 femoral membrane thickly furred; skull broad. 



597. borealis. {Vcspeitilio), Mull. Natursgst., Suppl., 1776, p. 21. 

 noveboracensis, Erxleb.. Sj-st. Regn. Anim., 1777, i, p. 155. 

 lasiurus, Schreb., Saugth. Abth., 1781, i, Taf. Ixii B. 

 noveboracus, Bodd., Elench. Anim., 1785, i, p. 71. 



