DASYPTERUS. NYCTICEIUS. 597 



finger, 95-111; ear from meatus, 17-18.8; width of ear, 14-15.5; 

 tragus, 8-9.4. Skull: occipito-nasal length, 17.5; zygomatic width, 

 13.5; mastoid width, u; palatal length, 7; postpalatal length, 9; 

 length of mandible. 12. 



ega xanthinus (Dasypterus) , Thomas, Ann. Mag. Nat. Hist., 6th 



Ser., 1897, p. 544. 

 SIERRA LACUNA BAT. 



Type locality. Sierra Laguna, Lower California, Mexico. 



Geogr. Distr. Lower California, Mexico. 



Genl. Char. Similar to D. ega, but more yellow above. 



Color. Above, anteriorly yellow grading into fulvous on the 

 interfemoral membrane; under parts dull fulvous. 



Measurements. Total length, 1 16 ; tail vertebrae, 48 ; hind foot, 10 ; 

 ear, 16. Skull: greatest length, 16.2; greatest breadth, 11.4; occipito- 

 nasal length, 14; interorbital constriction, 4; palatal length, 5 ; breadth 

 of rostrum at posterior edge of large premolar, 7 ; length of mandi- 

 ble, u. 



ega panamensis (Dasypterus), Thomas, Ann. Mag. Nat. Hist., 7th 



Ser., vin, 1901, p. 246. 

 PANAMA BAT. 



Type locality. Bogava, Chiriqui, Panama. Altitude, 1,000 feet. 



Geogr. Distr. South Central America; range unknown. 



Color. Cheek black; rump and hairs on interfemoral membrane 

 brownish fulvous; remaining parts dark brownish clay color; the fur 

 is black at base, then brownish buffy, with black tips. 



Measurements. "Forearm, 46.5." (Thomas, 1. c.) No other di- 

 mensions given. 



119. *Nycticeius. 



Nycticeius Rafin., Journ. Phys., LXXXVIII, 1819, p. 417. Type 



(by elimination) Vespertilio humeralis Rafinesque. 

 Upper incisor not in contact with canine; outer lower incisor 

 equal to others in size, tricuspidate ; uropatagium furred only at base; 

 tip of tail free; tragus bent forward; skull narrow. 



*Nycticejus and Nycticeius, though objectionably compounded, are both 

 permissible, and possibly, if there is any choice between them, the latter may 

 be preferable. 



