262 



VERTEBRATE ANIMALS OF THE UNITED STATES 



Subspecies of E. fusciis ■ 



E. f. fuscus (Beauv.). Size large: United States. 

 E. f. osceola Rhoads. Color deeper and darker : southern and central 

 Florida. 



■E. f. bernardinus Rhoads. Size large; wings and ears very dark: 

 San Bernardino, California. 



E. f. melanopterus Stone. Color more reddish: Eldorado County, 

 California. 



5. Nycteris Borkhausen (Lasiurus Gray). Dentition 1/3, i/i, 2/2, 

 3/3; interfemoral portion of membrane densely furred; ears short and 



round: 12 species, 2 in the United 

 States; these are unusually tolerant of 

 sunlight, often roosting in trees dur- 

 ing the day in the full glare of the sun 

 _ . , and beginning to feed in the afternoon; 



Fig. 153. — Teeth oi Nycteris borealis: ° 



a, N. b. teliotis; b, N. b. borealis, the upper number of yOUUg 2 tO 4. 



jawattheieft(/.omMfz/..). y_ borcalis (Muller). Red bat 



(Fig. 153). Body varying from rufous red to yellowish gray in color, 

 with a white spot on each shoulder, the two spots connected by a white 

 chest band; length no mm.; tail 50 mm.; forearm 40 mm.: eastern 

 and central North America; common. 



Subspecies of N. borealis 



y. b. borealis (Muller). West to Oklahoma and Colorado. 



.V. b. seminola (Rhoads). Color mahogany brown, slightly grayish: 

 South Carolina to south Texas. 



X. b. teliotis (H. Allen). Size smaller; color redder: central and 

 southern California. 



N'. cinerea (Beauvois). Hoary bat. Body gray in color; length 135 

 mm.; tail 50 mm.; forearm 40 mm.; wings long and pointed: northern 

 North America; southward to central New York, migrating in winter 

 into the southern States. 



6. Dasypterus Peters. Dentition 1/3, i/i, 1/2, 2,/2>\ dorsal portion 

 of interfemoral membrane furred on basal half only; ears higher than 

 broad: 3 species in Mexico and the United States. 



