MOLOSSUS. PROMOPS. 621 



second finger, 48; third finger, 100; fourth finger, 80; fifth finger, 51 ; 

 tibia, 1 8. 6; foot, 12. Skull: greatest length, 17.2; basal length, 15; 

 interorbital constriction, 3.4; zygomatic breadth, 10; breadth of 

 braincase above roots of zygomata, 8.8; mandible, 12.4; maxillary 

 tooth row, 6.4; mandibular tooth row, 7. 



1 3O. Promops. 



T *-'. C-- P *=* M 3 ~ 3 70 

 A-a-a- <--,_,. ^- 2 _ 2 - M. 3 _ 3 -30. 



Promops Gerv., (nee Spix) Expe"d. du Comte de Castlenau, Zool. 

 Mamm., n, 1855, P- 5 8 . pi- xn - fig 8 - 3. 3 a - (text.) Type 

 Promops ursinus Gervais Molossus nasutus Spix. 

 Ears close together or united at base of their inner margins; 

 muzzle broad, obtuse or obliquely truncate; lips smooth; tragus 

 short; first and fifth toes thickest, long curved hairs on the back of 

 all of them. Upper incisors, two in number, with their cusps close 

 together in front. 



KEY TO THE SPECIES. 



A. Muzzle rounded in front. PAGE 



a. Antitragus circular P. nasutus 621 



b. Antitragus semi-oval P. abrasus 623 



c. Antitragus broader than high P. orthotis 623 



B. Muzzle obliquely truncate. 



a. Size large; above gray P. glaucimts 624 



b. Size small; above dark bistre, washed with 



drab P. nanus 624 



580. nasutus (Molossus), Spix, Sim. et Vesp. Bras., 1823, p. 60, pi. 

 xxxv, fig. vn. 



fumarius Spix, Sim. et Vesp. Bras., 1823, p. 60, pi. xxxv, figs, v, vi. 



ursinus Gervais, Exped. Castlenau, Mamm., 1855, p. 59, pi. xn, 



figs. 3, 3a. 

 LARGE-NOSED MASTIFF BAT. 



Type locality. Near the Rio San Francisco, Brazil. 



Geogr. Distr. Guatemala, through Central America to Brazil, 

 South America. 



Genl. Char. Muzzle obtuse; patch of thick, short hairs on upper 

 lip below nostrils; sides of muzzle nearly naked; ears shorter than 

 head ; inner margins uniting on the muzzle in a ridge ; antitragus cir- 

 cular; tragus small with exterior basal projection; gular sac on male. 



