FKB. 1903. MEXICAN MAMMALS ELLIOT. 149 



GENUS BLARINA. 



Blarina. Gray, Proc. Zool. Soc. 1837, p. 124. 

 Blarina ' :: pergracilis. Sp. nov. 



Type locality. Ocotlan, State of Jalisco, Mexico. 



Gen. char. Smallest of the genus, allied to B. b. berlandieri, 

 but with a more slender skull; narrower rostrum, smaller molars, 

 and of a very different color. 



Color. Above blackish olive brown, beneath pale grayish 

 brown. 



Measurements. Total length, 81; tail vertebrae, 20; hind foot, 

 I 10. Skull: total length, 16; Hensel, 13; mastoid breadth, 7; 



length of palate, 6. 



ORDER CHIROPTERA. 



FAM. VESPERTILIONID^. 



GENUS MYOTIS. 



Myotis. Kaup, Skizzirte Entw. Gesch. u. Naturl. Syst. d. Europ. 



Thierw., 1829, i, p. 106. 

 Myotis velifer. (J. A.Allen) Bull. Am. Mus. Nat. Hist., 1800, 



p. 177. 



Ninety-five specimens, 5 from Patzcuaro, and 90 from La 

 Palma, State of Michoacan. 



FAM. NOCTILIONID/E. 

 GENUS BALANTIOPTERYX. 



Balantiopteryx. Peters M. B. Akad. Berl., 1867, p. 476. 



Balantiopteryx plicata. Peters M. B. Akad. Berl., 1867, p. 476. 

 One specimen from Puenta de Ixtla, State of Morelos. 



GENUS NYCTINOMUS. 



Nyctinomus. Geoff. Desc. de 1'Egypt, 1812, n, p. 114. 



Nyctinomus mexicanus. Sauss. Rev. Zool. 1860, p. 283. 



Eighty-eight specimens from La Palma, State of Michoacan. 



*Pergraciiis, is. e, very slender. 



