CHIROPTERA: VESPERTILIONIDAE 99 



Type Locality. — Fourteen kilometers southwest of Coatzacoalcos, Veracruz, 

 Mexico. Altitude, 100 feet. Range. — Known from type locality only. 



Genus PIZONYX 36 Miller 

 1906. Pizonyx Miller, Proc. Biol. Soc. Washington, vol. 19, p. 85, June 4, 

 1906. (Type, My otis vivesi Menegaux.) 



Pizonyx vivesi (Menegaux) * 



1901. Myotis vivesi Menegaux, Bull. Mus. Hist. Nat., Paris, vol. 7, p. 323. 



1906. Pizonyx vivesi Miller, Proc. Biol. Soc. Washington, vol. 19, p. 85, 

 June 4, 1906. 



Type Locality. — "Ilot du Cardonal ou Islo, parti de 1'Archipel Salsi puedes," 

 Gulf of California, Baja California, Mexico. Range. — Islands and coasts of 

 Gulf of California. 



Genus LASIONYCTERIS 3T Peters 

 1866. Lasionyctcris Peters, Monatsb. Preuss. Akad. Wiss. Berlin, 1865, p. 648. 

 (Type, Vespcrtilio noctivagans Le Conte.) 



Lasionycteris noctivagans (Le Conte) * (silver-haired bat) 



1831. V [espertilio] noctivagans Le Conte, in McMurtrie, The animal king- 

 dom ... by the Baron Cuvier, vol. 1, App., p. 431. 

 1884. Vesperugo noctivagans True, Proc. U. S. Nat. Mus., vol. 7, (App., 



Circ. 29) , p. 602, Nov. 29, 1884. 

 1894. Lasionycteris noctivagans H. Allen, U. S. Nat. Mus. Bull. 43 (1893), 



p. 105, Mar. 14, 1894. 

 Type Locality. — Eastern United States. Range. — North America north of 

 Mexico, from Atlantic to Pacific; probably not breeding south of Transition 

 Zone. 



Genus PIPISTRELLUS " Kaup 

 1829. Pipistrellus Kaup, Skizzirte Entwickelungs-Geschichte und naturliches 

 System der Europaischen Thierwelt, pt. 1, p. 98 (Type, Vespertilio pipi- 

 strellus Schreber.) 



Pipistrellus Hesperus hesperus (H. Allen) f* 



1864. Scotophilus hesperus H. Allen, Smithsonian Misc. Coll., vol. 7, publ. 165, 



p. 43, June 1864. 

 1884. Vesperugo hesperus True, Proc. U. S. Nat. Mus., vol. 7 (App., Circ. 29) , 



p. 602, Nov. 29, 1884. 

 1897. Pipistrellus hesperus Miller, North Amer. Fauna No. 13, p. 88, Oct. 16, 



1897. 

 1936. Pipistrellus hesperus hesperus Hatfield, Journ. Mamm., vol. 17, No. 3, 



p. 257, August 1936. 



M Revised by Miller and G. M. Allen, U. S. Nat. Mus. Bull. 144, pp. 209-214, May 25, 1928. 



87 Revised by Miller, North Amer. Fauna No. 13, pp. 85-87, Oct. 16, 1897. 



"Revised by Miller, North Amer. Fauna No. 13, pp. 87-95, Oct. 16, 1897. Races of 

 Pipistrellus hesperus revised by Hatfield, Journ. Mamm., vol. 17, No. 3, pp. 257-262, May 18, 

 1936. Synopsis published by Hall and Dalquest, Univ. Kansas Publ. Mus. Nat. Hist., vol. 1, 

 No. 26, pp. 591-602, Jan. 20, 1950. 



