Arrangement of the. Chivoptera. 349 



f Vesperur/o, Keys. & Bias. 



I Chalinolofais, Peters. 



, r\ i Scotophilus, Leach. 



b. Lars moderate, separate. ,- /• . 't> a 



r* \t ^ J JSycticejus, Kahnesque. 



Group Vespertiliones < A 1 •{ 'r> n ^ 



r j Atalctpha, Kahnesque. 



Murina, Gray. 



J VespertUio, Keys. & Bias. 



[Kerivoula, Gray. 



B. Crown of the head greatly elevated ahove 

 the face-line ; upper incisors separated 

 from the canines, and also in front. 



fNa talus, Gray. 



Group Miniopteri < Thyroptera, Spix. 



[jMiniopterus, Bonap. 



Fam. EmballonuridaB. 

 Subfam. Emballonurinae. 



A. First phalanx of the middle finger 

 folded (in repose) on the dorsal surface 

 of the metacarpal hone ; upper in- 

 cisors weak. 



a. Frontal bones convex. (Furia,¥. Cuyier. 



Group 1. EMBALLONuuiE ...J ^copteryxBhger. 



r ) linynchonycteris, feters. 



^Embullonura, Tenim. 



b. Frontal bones with a distinct concavity. 

 a'. Premaxillary bones separate in 



front. f Col'eura, Peters. 



Group 2. Taphozoi <t Taphozous, Geoffr. 



\_Diclidurus, Wied. 

 b'. Premaxillary bones united. 



Group 3. Rhinopoma Rhinopoma, Geoffr. 



B. First phalanx of the middle finger 



extended (in repose) in a line with 

 the metacarpal bone ; upper incisors 

 strong. 



Group 4. Noctiliones Noctilio, L. 



Subfam. Molossinae. 



C. First phalanx of the middle finger 



folded (in repose) on the dorsal surface 

 of the metacarpal bone ; upper incisors 

 large, well developed. ( Mormopterus, Peters. 



Group 5. Molossi J Mohssus, Ge ° ffr - 



r I Jyyctmomus, Geoffr. 



[ Cheiromeles, Ilorsf. 



D. First phalanx of the middle finger 



folded (in repose) on the inferior sur- 

 face of the metacarpal bone ; tail per- 

 forating the interfemoral membrane ; 

 upper incisors strong, well developed. 



Group 6. Mystacin^: Mystacina, Gray. 



