<i58 



CHROTOPTERUS. 



TONATIA. 



FIG. CX. CHROTOPTERUS AURITUS. 

 No. 105607 U. S. Nat. Mus. Coll. 



finger, metacarpal, 71; tibia, 36.8; ear, 40.6; tragus, 11.4. Skull: 

 total length, 25; zygomatic width, 13; interorbital constriction, 4.5; 

 height of braincase at bullae, n; mastoid breadth, 10.5; palatal 

 length, to alveoli of incisors, 10; length of mandible, 16. 



144. Touatia. 



r2-2. pM. T>2r-2. Tyr 3~3 _ .. 



L i-i> U I=I' ^'3-3' M '3-3~ 32 - 



Tonatia Gray, in Griff., Cuvier's Anim. Kingd., v, 1827, p. 71 (foot- 

 note). Type Vampyrus bidens Spix. 

 Lophostoma D'Orbigny, Voy. Amer. Me"rid., 1847, P- II - 

 Horseshoe-shaped portion of nose-leaf very narrow at nasal 

 aperature and bound to the muzzle; chin with central wart and 

 smaller lateral ones; ears large with a small posterior basal band; 

 tail short, perforating interfemoral membrane which is large; wing 

 membrane extending to metatarsals or tarsals ; skull long and narrow. 



621. amblyotis (Phyllostoma), Wagn.,in Wiegm., Archiv. f. Naturg., 



1843, p. 365. 

 ROUND-EARED BAT. 



Type locality. Mato Grosso, Brazil. 



Geogr. Distr. Bogava, Chiriqui, Panama, to Brazil. 



Genl. Char. Ears large; tibia long, wing membrane extending to 



