SPECIES OF MAMMALIA. 



above fuscous brown, beneath pure white ; wings and legs 

 pure black. 



Thyroptera Tricolor, Spix, Sim. Braz. 61. 



Icon. Spix, Sim. Braz. t. 36. /. 69. 



Inhab. Shores of the Amazon, Brazils. 



XXVII. Proboscidea. Spix. Incisive teeth |, upper 

 very s?nall, distant, diverging, lower lobed, placed in a semi- 

 circle ; canine teeth -i-f '■> cheek ffj the front one small, and 

 the rest with many tubercles; wings narrow ; tail long, half 

 involved in the interfemoral membrane. 



246. 1. P. (Sa.X'a^zYu (Rock Proboscidea.) Body, above, va- 

 riegated with gray and brown ; beneath, ash mouse-colour ; 

 wings and feet fuscous brown. 



Proboscidea Saxatilis, Spdx, Sim. Braz. 62. 

 Icon. Spix, Sim. Braz. t. 35. /. 8. 



Inhab. rocky places on the shores of St. Francis, in 

 Brazil. 



247. 2. P. Rivalis (River Proboscidea.) Body smaller ; 

 above fuscous brown, beneath pale brown. 



Proboscidea Rivalis, Spix, Sim. Braz. 62. 



Icon. 



Inhab. Shores of the Amazon, Brazils. 



XXVIII. Vespertilio. Lin. Incisive teeth ^, the upper 

 teeth separated in pairs, cylindrical, and pointed, the lowei- 

 very close with two cutting lobes directed forward ; canine 

 teeth W ; cheek teeth |4, |0, |^, or |4 ; the anterior cheek teeth 

 simply conical, the posterior having several sharp points or 

 prominences. The nose simple, without membranaceous ap- 

 pendage, ridge, or furrow. Ears lateral a7id distinct, in- 

 ternal ears visible. Index finger with but one phalanx, the 

 middle with three, the annular and little finger with tico. 



87 2 IF '> 



