MAMMALS 263 



D. intermedins (H. Allen) (Fig. 154). Color light yellowish brown: 

 length 145 mm. ; tail 65 mm. ; forearm 55 mm. : Gulf States and northern 

 Mexico. 



D. floridanus Miller. Color light yellowish brown; length 129 mm.; 

 tail 52 mm.; forearm 49 mm.: Gulf coast from Florida to Louisiana. 



7. Nycticeius Rafinesque. Dentition 1/3, i/i, 1/2, 3/3; inter- 

 femoral portion of membrane furred at the base only; ears short: 2 

 species, i in Cuba. 



Fig. 154. — -Teeth of Dasypterus intermedins, the upper jaw at the left (from Miller). 



N. humeralis (Raf.). Body dull brown in color; length 90 mm.; tail 

 ^6 mm.; forearm 36 mm.; ear small, with a short, blunt tragus: south- 

 eastern and central States; northward to Pennsylvania; westward to 

 Arkansas; Austral zone. 



8. Euderma H. Allen. Dentition 2/3, i/i, 2/2, 3/3; ears joined 

 across the forehead: i species. 



E. maculatum (J. A. Allen). Color dark sepia, almost black above; 

 length no mm.; tail 50 mm.; forearm 50 mm.: southern California, 

 Arizona and New Mexico; rare. 



9. Corynorhinus H. Allen. Dentition 2/3, i/i, 2/3, 3/3; a pair of 

 large glandular masses on the snout, rising high above the nostrils; ears 

 very large and united at their anterior base: 4 species and subspecies. 



C. rafinesquii (Lesson). Big-eared bat. Body large, yellowish 

 brown in color, distinctly bicolor; length 105 mm.; tail 52 mm.; fore- 

 arm 43 mm.; ear 33 mm.: southern United States, from one coast to the 

 other; also in the extreme northwest. 



Subspecies of C. rafinesquii 



C. r. rafinesquii (Les.). Eastern central States; Lower Austral zone. 



C. r. pallescens (Miller). Color much paler, nowhere distinctly 

 bicolor: southwestern States from southern Cahfornia to western Texas 

 and Colorado. 



C. r. townsendii (Cooper). Color much darker, nowhere distinctly 

 bicolor: coast district of Oregon and Washington. 



Subfamily 2. Nyctophilinae. — Bats with a horshoe-shaped ridge 

 around the nostrils and with 4 lower incisors: i genus. 



