AMERICAN BATS OF THE GENERA MYOTIS AND PIZONTX 181 



Pablo, 1 skin (U.S.N.M.), 1 ale. (M. C. Z.) ; Tabernilla, 1 skin, 3 ale. 

 (U.S.N.M.) ; Taboga Id., 1 ale. (U.S.N.M.) ; Tacarcuna, 2 skins (A. M. 

 N. H.) ; Tapalisa, 3 skins (A. M. N. H.). 

 PARAGUAY: Asuneiou, 3 skins (U.S.N.M.) ; Paraguari, 7 skins (U.S.N.M.), 

 4 skins (B. M.), 1 skin (U. C.) ; Puerto Pinasco, 1 skin (U.S.N.M.); 

 Sapucay, 6 skins, 14 ale. (U.S.N.M.), 6 skins, 2 ale. (B. M.) ; Villa Rica, 



3 skins, 9 ale. (U.S.N.M.), 4 skins (B. M.). 



PERU: Bellavista, 3 ale. (M. C Z.) ; Cayana, 1 ale. (B. M.) ; Chanchamaya. 



4 skins (B. M.), 1 skin (M. C. Z.) ; Cuzo, 4 skins (B. M.) ; Hacienda 

 Limon, near Balsas, Maranon River, 1 skin (F. M.) ; Inea Mines, 4 

 skins, including tyi>e of keaysi (A. M. N. H.) ; Junin, 2 ale. (B. M.) ; 

 Masisea, 1 skin (B. M.) ; Moyobamba, 3 skins, 2 ale. (F. M.) ; Perene, 

 2 skins (B. M.) ; Rio Ucayali, Masisea, 8 skins (B. M.) ; San Ignacio. 

 16 skins (A. M. N. H.) ; Santa Ana, 2 ale. (B. M.), 7 ale. (U.S.N.M.) ; 

 Yurimaguas, 1 ale. (F. M.). 



SAN SALVADOR: 2 ale., cotypes of concinnus (A. N. S. P.). 



TOBAGO, B. W. I.: Court House, 1 skin (B. M.) ; Waterloo, 1 skin 

 (B. M.), 1 ale. (A. N. S. P.). 



TRINIDAD: Botanic Gardens, 2 ale. (B. M.). 



VENEZUELA: Caicara. 1 skin (B. M.) ; Carabobo, 1 skin (B. M.) ; 

 Caracas, 1 ale. (B. M.) ; Maipures, Rio Orinoco, 7 skins (B. M.) ; Maripa, 

 37 skins, including type of niaripensis (A. M. N. H.) ; Merida, Montes 

 del Escorial, 2500 meters, 1 skin, imm. (M. O. Z.) ; Merida, Montes de la 

 Sierra, 1500-2000 meters, 3 skins (B. M.) ; Puerto Cabello. 2 ale, (B. M.) ; 

 Rio Aurare, 1 skin (F. M.) ; San Esteban, 10 skins (B. M.), 10 ale. 

 (U.S.N.M.) ; Taehira, 1 skin (F. M.) ; Valencia, 1 skin (A. M. N. H.) ; 

 no exact locality, 1 ale. (B. M.). 



Remarks. — It is with some hesitation that we have placed in the 

 synonymy of Myotis nigricans nif/ricans the five names published by 

 J. A. Allen on July 9, 1914. That all were based on representatives 

 of this species there appears to be no doubt; but it is quite possible 

 that some of them may eventually be shown to be applicable to local 

 races. Such races, however, we have been unable to define on the 

 basis of the material which we have seen, 



MYOTIS NIGRICANS EXTREMUS. new subspecies 



Myotis nigricans Miller, North Amer. Fauna, No. 13, p. 74, October 16, 1897 

 (part, specimens). — Miller and Rehn, Proc. Boston Soc. Nat. Hist., vol. 

 30, p. 257, December 27, 1901 (part). — Elliot, Land and Sea Mamm. Middle 

 Amer., Field Columb. Mus., publ. 95, zool. ser., vol. 4, p. 476, 1904 (part). — 

 Teouessaet, Catal. Mamm. viv. foss., suppl., p. 93, 1904 (part). — Elliot, 

 Cheek List Mamm. North Amer.. Field Columb. Mus., publ. 105, zool. ser., 

 vol. 6, p. 475. 1905 (part). 



Vespertilio concinnus Miller, Proc. Biol. Soc. Washington, vol. 13, p. 154, June 

 13, 1900 (part; not Vespertilio concinnus H. Allen). 



Myotis nigricans concinnus Miller, List North Amer. Land Mamm. 1911, Bull 

 U. S. Nat. Mus., No. 79, p. 58, December 31, 1912 (part) ; List North Amer. 

 Recent Mamm, 1923, Bull. U. S. Nat. Mus., No. 128, p. 72, April 29, 1924 

 (part). 



Type locality. — Huehuetan, Chiapas, Mexico. Altitude, 300 feet. 



