DASYPTERUS. NYCTICEIUS. 097 
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, 11; palatal length, 7; postpalatal length, 9; 
length of mandible, 12. 
esa xanthinus (Dasypterus), Thomas, Ann. Mag. Nat. Hist., 6th 
Ser., 1897, p. 544. 
SIERRA LAGUNA 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 vellow grading into fulvous on the 
interfemoral membrane; under parts dull fulvous. 
Measurements. Total length, 116; tail vertebre, 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, 11. 
ega panamensis (Dasypterus), Thomas, Ann. Mag. Nat. Hist., 7th 
Ser., VIII, 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. *Nyecticeius. 
1; CE; Ps M2 & 30. 
= oa 
Nycticeius Rafin., Journ. Phys., Lxxxvill, 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. 
