KEY TO LAND MAMMALS OF NORTHEASTERN NORTH AMERICA I49' 



SPECIES OF MYOTIS 



Ear, -when laid forward, reachiDg considerably beyond tip of 



muzzle M, subulatus 



Ear, when laid forward, reaching about to tip of muzzle M. lucifugus 



Myotis subulatus (Say) Say's bat 

 1823 ?Vespertilio subulatus Say, Long's exped. to Rocky mts. 2:65. 



(Arkansas river, near La Junta Col.) 

 1864 Vespertilio subulatus H. Allen, Monogr, bats. N. Am. p. 51. 



(Eastern United States) 

 1897 Myotis subulatus Miller, North American fauna. 16 Oct. 1897. no. 

 13, p. 75. 

 Dull brown, slightly paler and more yellowish below ; ear reacliing eonsiderahly 

 beyond tip of nose when laid forward. Total length, 85 (3|); tail vertebrae, 38 

 (IJ); forearm, 35 (If), (subulatus; Lat., awl-shapedj 



Say's bat is locally common throughout eastern North America, south 

 into the upper austral zone. The details of its distribution are imper- 

 fectly known. The form found within our limits is M. subulatus 

 subulatus. 



Myotis lucifugus (Le Conte) Ziftle brown bat 

 1831 Vespertilio lucifugus Le Conte, McMurtries'sCuvier, Animal king- 

 dom, 1, append, p. 431. (Southern Georgia) 

 1897 Myotis lucifugus Miller, North America fauna. 16 Oct. 1897. no. 13, 

 p. 59. 

 Dull brown, sMghtly paler and more yellowish below; ear reaching barely to 

 MOsfnZ when laid forward. Total length, 85 (3|) ; tail vertebrae, 38(H); fore- 

 arm, 38 (1^.) (lucifugus; Lat., light-fleeing) 



The little brown bat is abundant throughout eastern North America, 

 south to the gulf coast. Within our limits it is represented by the 

 typical race, M. lucifugus lucifugus. 



Genus Lasionycteris Peters 

 1865 Lasionycteris Peters, Mouatsber. K. Preuss. akad. wisseusch. Ber- 

 lin, p. 648. Type Vespertilio noctivagans Le Conte. 

 Teeth 36; two pairs of front teeth in upper jaw between canines ; back 0/ mem- 

 brane between legs furred to about middle. (Lasionycteris; Gk., silk bat) 



The genus Lasionycteris is peculiar to North America. It 

 contains one species only. 



Lasionycteris noctivagans (Le Conte) Silvery bat 



1831 Vespertilio noctivagans Le Conte, McMurtries' Cuvicr, Animal 

 kingdom. June 1831. Append, p. 431. (Eastern United States) 



1865 Lasionycteris noctivagans Peters, MonatsluM-. K. TrtMiss. nkiid. 

 wisaensch., Berlin, p. 648. 



