60 BULLETIN 19, UNITED STATES NATIONAL MUSEUM. 



Genus LASIONYCTERIS Peters.^ 



1866. Lasionycteris Peters, Monatsber. k. preuss. Akad. Wis- 

 sensch. Berlin (1865), p. 648. Type, Vespertilio noctivagans 

 LeConte. 



*Lasionycteris noctivagans (LeConte). 



1831. V[espertilio] noctivagans LeConte, McMurtrie's Ciivier, 



Animal Kingdom, vol. 1, p. 431. 

 1885. Vesperugo noctivagans True, Proc. U. S. Nat. Mus., 



vol. 7 (1884), p. 602. 1885. 

 1894. Lasionycteris noctivagans H. Allen, Monogr. Bats N. 



Amer. (1893), p. 105. March 14, 1894. 

 Type Locality. — ^Eastern United States. 

 Range.— North America north of Mexico, from the Atlantic 



to the Pacific; probably not breeding south of the transition 



zone. 



Genus PIPISTRELLUS Kaup.^ 



1829. Pipistrellus Kaup, Skizzirte Entw.-Gesch. u. natiirl. 

 Syst. europ. Thierw., vol. 1, p. 98. Type, Vespertilio pipi- 

 strellus Schreber. 



t*Pipistrellus hesperus hesperus (H. Allen). 



1864. ScotopMlus hesperus H. Allen, Monogr. Bats N. Amer., 



p. 43. Jmie, 1864. 

 1885. Vesperugo hesperus True, Proc. U. S. Nat. Mus., vol. 7 



(1884), p. 602. 1885. 

 tl886. Vesperugo merriarai Dobson, Ann. and Mag. Nat. Hist., 



ser. 5, vol. 18, p. 124. August, 1886. (Red Bluff, Tehama 



County, California.) 

 1897. Pipistrellus hesperus Miller, North Amer. Fauna, No. 



13, p. 88. October 16, 1897. 

 Type Locality. — Old Fort Yuma, Imperial County, California. 

 Range. — Lower Austral zone in the western United States 



from southern and western Texas to the Pacific coast. Limits 



of range imperfectly known. 



Pipistrellus hesperus apus Elliot. 



1904. Pipistrellus hesperus apus Elliot, Field Columb. Mus., 



publ. 90, zool. ser., vol. 3, p. 269. March 8, 1904. 

 Type Locality. — Providencia Mines, Sonora, Mexico. 



1 Revised by Miller, North Amer. Fauna, No. 13, pp. 8&-87, October 16, 1897. 



2 Revised by Miller, North Amer. Fauna, No. 13, pp. 87-95, October 16, 1897. 



