FIELD BOOK OF MAMMALS 



Texan Yellow Bat. — Dasypterus intermedins (H, Allen). 



As described above. Found in "Mexico from Chiapas 

 north to extreme southern Texas." (Miller) 



Florida Yellow Bat. — Dasypterus fioridanus Miller. 



Smaller than intermedins but colored the same. Total 

 length, 5 inches; tail vertebrae, 2.5 inches; hind foot, .36 

 inch; forearm, 1.9 inches. Found in "Florida and Gulf 

 coast west to Louisiana." (Miller) 



Very little has been written about this Bat which apparently 

 is not very common anywhere. This genus is southern in its 

 distribution and ranges down into South America. The 

 different species apparently prefer dry, hot country. The 

 number of young is two at a birth and they are bom in late 

 May (Texas). 



Genus Nycticeius 



Dentition: Incisors, \, Canines, t; Premolars, \', Molars, f= 30. 



Rafinesque Bat. — Nycticeius humeralis 

 (Rafinesque) 



Names. — Rafinesque Bat; Evening Bat. 



General Description. — A small to medium-sized Bat with 

 very much the external appearance of a large Myotis or a 

 small Eptesicus. Ear small, thick and leathery, naked, 

 rounded in anterior profile, tip moderately narrow and 

 rounded ; tragus short and blunt ; pelage not extending onto 

 membranes, rather short. 



Color. — Sexes colored alike; no noticeable seasonal variation. 



Upperparts dull brown, the pelage brownish black at base; 

 membranes blackish; underparts lighter and more buffy than 

 upperparts. 



Measurements. — Total length, 3.7 inches; tail vertebrae, 

 1.5 inches; hind foot, .28 inch; forearm, 1.4 inches. 



Geographical Distribution. — Found in "Austral Zones in 

 the eastern United States, west to Arkansas and southern 

 Texas." (Miller) 



Food. — Flying insects. 



Enemies. — Owls. 



******* 



64 



