PIPISTRELLUS. 409 



594. hesperus. {Scotophi/us), H. Allen, Mon. N. Am. Bats, 1861, 



p. 43. 



merriami, Dobson, Cat. Chiropt. Brit. Mus. 1878, p. 228. 



Type locality. Fort Turner, California. 



Geogr. Distr. Western Texas and the Pacific coast. 



Genl. Char. Size small, ear reaching to nostril, short and 

 rounded at tip; tragus curved forward at tip; end of tail free of 

 membrane. 



Color. Light yellowish gray, hairs plumbeous at base; border 

 of wing membrane between fourth and fifth finger whitish; ears, face, 

 muzzle and membrane black. 



Measiiiemi-nts. Total length, 72.8-79; tail vertebra, 28-34.5; 

 tibia, 11-12.8; foot, 5-6; forearm, 28-32.5; thumb, 4; longest finger, 

 48-55.5: ear from meatus, 10-12.4; width of ear, 8.6-9.6; tragus, 

 4.6-5.4. 



595. subflavus. {Vespcrtilio), F. Cuv. Nouv. Ann. Hist. Nat., Paris, 



1832, p. 17. 



erythrodactylus, Temm. Mon. Mamm., 1835-41, 11, p. 238. 



carolinensis (nee Geoff.), Ann. Mus., 1806, viii, p. 193. 



Type locality. Eastern United States, possibly Georgia. 



Geogr. Distr. Atlantic coast west to Iowa, south to eastern and 

 southern Te.xas. 



Genl. Char. Size small; thumb long; ear reaching beyond nos- 

 trils; tragus straight, tip rounded; end of tail free of membrane, fur 

 tri-color. 



Color. Above dark yellowish brown; beneath paler; fur plumb- 

 eous at base. Wide variation of color among individuals. 



Measitrements. Total length, 84.6-85; tail vertebrae, 37.8-40.7; 

 tibia, 15.2-16; foot, 7.8-8.1; forearm, 33.7-34.6; thumb, 6.8; longest 

 finger, 60-62.8; ear from meatus, 13. 9-14.2; width of ear, 9.5-9.8; 

 tragus, 6.4-6.6. 



a.—ohscurws. {.Myi'tis), Miller, N. Am. Fauna, No. 13, 1897, p. 93. 



Type locality. Lake George, Warren County, N. Y. 



Geogr. Distr. Only known from type locality. 



Genl. Char. Equal to M. subflavus in size; color duller and less 

 yellow, tips of hairs on back less conspicuous. 



Color. Above pale wood brown; beneath isabella color; base of 

 fur everywhere blackish slate. 



Measurements. Total length, 84.8; tail vertebra, 38.9; tibia, 

 15.2; foot, 2.8; forearm, 36; thumb, 6.8; longest finger, 60.6; ear 

 from meatus. 14; width of ear, 10; tragus, 6.8. 



