406 MYOTIS. LASIONYCTERIS. 



592. evotls. {Vespertilw). H. Allen, Mon. Bats N. Amer., 1864, p. 48. 



albescens cvotis, Dobson, Cat. Chiropt. Brit. Mus., 1878, p. 324. 



chrysonotis, J. A. Allen, Bull. Am. Mus. Nat. Hist, 1896, p. 240. 



Type locality. Not given, possibly Monterey, California. 



Geogr. Distr. Pacific coast to eastern edge of Rocky Mountains, 

 south to Vera Cruz. 



Genl. Char. Size large, calcar longer than free border of uro- 

 patagium, and a lobule at tip; ears reaching beyond tip of nose. 

 Wing membrane from base of foot. 



Color. Light yellowish brown, hairs dusky slate at base; ventral 

 surface paler. Color among individuals varies considerably. 



Measurements. Total length, 85-92; tail vertebrae, 41-43; tibia, 

 17.6-20; foot, 7-9; thumb, 6-8; longest finger, 62-67; ear from meatus, 

 ig.4-23; width of ear, 11. 8-14. 6; tragus, 10.8-13. 



6. — thy xnno firs. (J/yotis), Miller, N. Am. Faun., No. 13, 1897, p. 80. 



albescens evotis and albescens velifer {Vespertilio), H. Allen, Mon. 

 N. Am. Bats, 1893, pp. 90 and 93. 



Type locality. Old Fort Tejon, California. 



Geogr. Distr. Southern border of western United States to San 

 Luis Potosi and Michoacan. 



Genl. Char. Size large, calcar distinct, usually terminating in a 

 well marked pointed projection. Free border of uropatagium thick- 

 ened and densely haired. Ears moderately long; laid forward they 

 reach 3-5 mm. beyond nostril. Wings from point between ankle and 

 base of toes, but nearer latter. 



Color. Everywhere light dull yellowish brown, distinctly paler 

 ventrally, the hairs everywhere dusky slate at base. The palest 

 specimens are yellowish wood brown, inclining to clay color; the 

 darkest specimens dull raw umber. The belly varies from clear gray 

 scarcely tinged with yellow to a strong yellowish gray, and in other 

 specimens to dull brownish gray. 



Measurements. Average from 11 specimens from Old Fort Tejon 

 give total length, 85-95; tail vertebrae, 36-37; tibia, 16. 4-18; foot, 

 8-8.9; forearm, 40-46; thumb, 6-6.7; longest finger, 69-73.6; ear 

 from meatus, 16-18. 5; width of ear, 11. 8-12; tragus, 10.5-11. (Mil- 

 ler, 1. c.) 



106. Lasionycteris. 

 I. ?=^; C. ^; P. -^; M. 5=^ = 36. 



3-3' i-i' 3-3' 3-3 ^ 



Lasionycteris. Peters, Monat. K. Akad. Wissench., Berlin, 1865, 

 p. 68. Type Vespertilio noctivigans, LeConte. 

 Scotophilus, H. Allen, (nee Leach), Mon. N. Am. Bats, 1864, p. 27. 



