604 



CORYNORHINUS. 



FIG. XCII. CORYNORHINUS MACROTIS. 

 No. 102504 U. S. Nat. Mus. Coll. 



macrotis pallescens (Cory nor hinus), Miller, N. Am. Faun., No. 13, 

 1897, p. 52. Elliot, Syn. N. Am. Mamm., 1901, p. 399. 



townsendi H. Allen, Mon. N. Am. Bats, 1893, p. 58. (nee 



Cooper.) 

 BIG-EARED BAT. 



Type locality. Kearn Canon, Navajo County, Arizona. 



Geogr. Distr. From State of Oaxaca, Mexico, through eastern 

 Mexico to California. 



Genl. Char. Similar to those of C. macrotis; color paler. 



Color. Back yellowish drab gray; head paler, base of hairs light 

 plumbeous; beneath paler than back; ears and membranes light 

 brown. 



Measurements. Total length, 90-105; tail vertebrae, 45-49; tibia, 

 19-21; foot, 9-9.6; forearm, 9-9.6; thumb, 5-7; longest finger, 71-77; 

 ear from meatus, 33-33.9; width of ear, 20-23.7; tragus, 12.7-14.6. 

 Skull: greatest length, 16; zygomatic breadth, 9; width of rostrum 

 at posterior border of large premolar, 5; length of mandible, 10.6; 

 length of upper molar series, 5.2; of lower molar series, 6.8. 



macrotis townsendi (Plecotus), Cooper, Ann. Lye. Nat. Hist., N. Y., 



iv, 1848, p. 73. (nee Allen.) 

 m. townsendi (Corynorhinus), Elliot, Syn. N. Am. Mamm., 1901, 



P- 399- 

 TOWNSEND'S BIG-EARED BAT. 



Type locality. Columbia River, Oregon. 



