GLOSSOPHAGA. CHGERONYCTERIS. 673 
Measurements. ‘‘Length of forearm, 38; tibia, 13.5; foot, 9.5; 
ear, 13.5; length of skull, 22.5; of rostrum from interorbital constric- 
tion, 11; width of braincase, 9.2; of rostrum at canines, 4.’’ (Rehn.) 
The bats of the next genus, which conclude the group, are noted 
for the length of their muzzles, which exceed all those of the other 
species of the GLOSSOPHAGA. 
151. Choeronycteris. 
25 St Se Sy5 | 
Lae Oem ere Als 
1 fa I 
Ue |G 
— = = 30. 
Cheeronycteris ‘“ Licht.,”’ Tschudi, Faun. Peruana, 1844, p. 7o. 
Type Cheronycterts mexicana Tchudi. 
Upper incisors in pairs, separated by a wide diastema, inner ones 
_ smaller than the outer; molars without W-shaped cusps; first upper 
premolar absent; zygomatic arch wanting; muzzle long; nose-leaf as 
in Leptonycterts; interfemoral membrane large. 
KEY TO THE SPECIES: 
A, Size large; calcaneum shorter than the foot. PAGE 
GEOR CATIA SANIT 65 ous AUS Slee ee eee ee ee C. mexicana 673 
B. Size small; calcaneum longer than the foot. 
BaeboredrmsoMimimc: rostrum long... 22042555225. C.minor 674 
Deel orearim 22.5 mm. rostrum shorter: ss. ..0... C. godmant 674 
Fic. CXVII. CHCERONYCTERIS MEXICANA. 
ex Dobson, Cat. Chiroptera. 
632. mexicana (Cheronvycteris), Tschudi, Fauna Peruana, 1844, p. 
Foy spl Dil, toes: 
Tres Marias Istanps Bat. 
Type locality. Mexico. 
