400 CORYNORHINUS. MYOTIS. 



Genl. Char. Similar to C. macrctis, but 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, go-105; tail vertebrae, 45-49; tibia, 

 19-21 ; foot, 9-9.6; forearm, 41.9-44; thumb, 5-7; longest finger, 71-77; 

 ear from meatus, 33-33.9; width of ear, 20-23.7; tragus, 12. 7-14. 6. 



h. — lownsendi. (Plecotus), Cooper, (nee Allen), Ann. Lye. Nat. Hist. 

 N. Y., iv, p. 73. 



macrotis, Dobs. Cat. Chiropt. Brit. Mus., 1878, p. 180, (nee Le- 

 Conte). 



Type locality. Columbia River, Oregon. 



Geogr. Distr. Humid coast district of Oregon, Washington and 

 southern British Columbia. 



Genl. Char. Similar to typical C. macrotis but much darker, fur 

 nowhere distinctly bicolor. 



Color. Above dark brown, hairs at base light plumbeous, tips 

 pale yellowish; beneath dark brown; ears and membrane blackish. 



Measurements. Total length, 100-105; tail vertebra, 48-51 ; tibia, 

 21.4-22; foot, 9.4-10; forearm, 42-44; thumb, 6.6-7; longest finger, 

 76-80; ear from meatus, 33-34; width of ear, 21-24; tragus, 14-15. 



Sub. Fam. HI. Vespertilioninae. 



105. Myotis. 



I. ?i:^ ■ C. i=i ; P. ?=^ ; M. t^ = 38. 



Myotis. Kaup, Skizzirte Entw. Gesch. u. Naturl. Syst. d. Europ. 



Thierw., 1829, i, p. 106. Type V. murinus, Schreb. (nee 



Linn.). 

 Mystactes, Kaup, Skizzirte Entw. Gesch. u. Naturl. Syst. d. 



Europ. Thierw., 1829, i, p. 108. 

 Vespertilio, Keyserl. & Bias, (nee Linn.), Wiegm. Archiv. Naturg., 



1839, I, p. 306. 

 Selysius, Bonp. Icon. Faun. Ital., 1841, Introd., p. 3. 

 Brachyotus, Kolenati, Allgem. Deutsch. Naturh. Zeitg., Dresden, 



Neue Folge, 1S56, 11, pp. 131, 174. 

 Isotus, Kolenati, Allgem. Deutsch. Naturh. Zeitg., Dresden, Neue 



Folge, 1856, pp. 131, 144. 

 Acorestes, Fitzing. Sitzung. Math. — Nat. CI. K. Akad. Wiss., 



Wien, 1870 Ixii, abth., i, p. 427. 

 Comastes, Fitzing. Sitzung., Math. Nat. CI. K. Akad. Wiss., 



Wien, 1878, abth. i, p. 565. 



