﻿DASYPTERUS. 



Average measurements of North American forms of Lasiurus. 



115 



Locality, 



Ontario : North Bay 2d' </ 



New York : Sing Sing 10 



District of Columbia : 4 



Washington. 

 Mississippi: Washington.; 10 

 Texas: Brownsville 10 



South Carolina: Charles- 

 ton. 



Florida: Lake Harney 



Mississippi : Bay St. Louis 



Texas: Brownsville 



Cuba: Trinidad 



California : ? (type) 



Three Kivers.. 



Tehama 



Bakersfield . . . 



Jalisco 



New York: Locust Grove . 



California: PanamintMts. 



Cloverdale .... 



Monterey 



Kern liiver... 



2dd 

 2cfd" 

 1? 

 1 



Ic^ 



1? 



6 

 4 



2?? 

 Id' 

 Id 

 Id 



106 



110.4 



103 



105. 6 49. 1 

 108. 9 52. 7 



100 i46 



47.519.5 7.2 



50.919.6 7.8 

 47.519.2 7.4 



97. 5|45 

 104. 3 50 

 115 j54 

 106. 5 50. 



19.2 7.4 

 18.6 7.9 

 19 



107 



100 



113.3 



134.5 



136 



130 



138 



140 



19.3 

 19.3 



j20 

 5 21.8 



.'20 



39 



39.7 



38.5 



40.1 7.3 

 40.6 0.4 

 40 7 



po 



19.6 

 20. 2 

 5 23.2 

 523.5 



|23 

 24 

 23 



6.6 39 

 8 I37 



8 j39 

 8. 6j40 

 8. 1^41. 



10 |50. 



9 |54 

 10 [46 



9 55 

 9 51 



7 



7.4 

 10.6 

 10 



10.4 



10 



10 



S CO 



79.511.8 



81.7|1L9 

 79.31L2 



80. 4jlL8 

 82. 8il0.5 



79 



79 



74 



82 



76 



86.5 

 107 

 109 

 101 

 110 

 103 



U.4 

 11 

 10.1 



10.1 

 9.8 

 10.7 



11. 3 10 



12 11 

 12.611.4 

 12. 510. 7 



9 



9.8 

 9.4 

 10 



13 jlO.2 

 18 17.2 

 17.5:17.7 



15 

 16 

 17.6 



Genus DASYPTERUS Peters. 

 1864. Lasiurus H. Allen, Mouogr. N. Am. Bats, p. 25 (part). 



1871. Dasypterus Peters, Moiiatsber. K. Akad. Wiss., Berlin (1870), p. 912 (subgenus). 

 1878. Atalaplia Doljson, Catal. Chiroptera Brit. Mus., j). 267. (Part — not Atalapha 



Eafinesque, 1814.) 

 1893. Dasypterus H. Allen, Monogr. Bats N. Am., p. 137 (genus). 



Type species. — Dasypterus intermedins H. Allen. 



Geographic distribution of type species. — Gulf States and northeastern 

 Mexico. 



Geographic distribution of genus. — The range of the genus is the same 

 as that of the only known species. 



Generic characters. — Dental formula: 



. 1-1 1-1 1-1 3-3 



*'3=3' ^'1=1' ^''^W^'^ ^'3=3==^^^' 

 upper incisor in contact with canine; skull (fig. 33) easily distinguish- 

 able from that of any other American genus of Vespertilionidce^ except 

 Lasiurus^ by its extreme shortness, depth, and breadth; ear consider- 

 ably higher than broad, somewhat tapering at tip, naked on half of 

 dorsal surface; dorsal surface of interfemoral membrane furred on 

 basal half only; mamnne, 4. 



