Apodemus peninsulae,
with description of a new subspecies from North China. By J.
Knox Jones, Jr. Pp. 337-346, 1 figure in text, 1 table. August
15, 1956.

9. Extensions of known ranges of Mexican bats. By Sydney
Anderson. Pp. 347-351. August 15, 1956.

10. A new bat (Genus Leptonycteris) from Coahuila. By Howard
J. Stains. Pp. 353-356. January 21, 1957.

11. A new species of pocket gopher (Genus Pappogeomys) from
Jalisco, Mexico. By Robert J. Russell. Pp. 357-361. January
21, 1957.

12. Geographic variation in the pocket gopher, Thomomys
bottae, in Colorado. By Phillip M. Youngman. Pp. 363-387, 7
figures in text. February 21, 1958.

13. New bog lemming (genus Synaptomys) from Nebraska. By J.
Knox Jones, Jr. Pp. 385-388. May 12, 1958.

14. Pleistocene bats from San Josecito Cave, Nuevo Leon,
Mexico. By J. Knox Jones, Jr. Pp. 389-396. December 19, 1958.

15. New subspecies of the rodent Baiomys from Central America.
By Robert L. Packard. Pp. 397-404. December 19, 1958.

16. Mammals of the Grand Mesa, Colorado. By Sydney Anderson.
Pp. 405-414, 1 figure in text, May 20, 1959.

17. Distribution, variation, and relationships of the montane
vole, Microtus montanus. By Sydney Anderson. Pp. 415-511, 12
figures in text, 2 tables. August 1, 1959.

18. Conspecificity of two pocket mice, Perognathus goldmani
and P. artus. By E. Raymond Hall and Marilyn Bailey Ogilvie.
Pp. 513-518, 1 map. January 14, 1960.

19. Records of harvest mice, Reithrodontomys, from Central
America, with description of a new subspecies from Nicaragua.
By Sydney Anderson and J. Knox Jones, Jr. Pp. 519-529. January
14, 1960.

20. Small carnivores from San Josecito Cave (Pleistocene),
Nuevo Leon, Mexico. By E. Raymond Hall. Pp. 531-538, 1 figure
in text. January 14, 1960.

21. Pleistocene pocket gophers from San Josecito Cave, Nuevo
Leon, Mexico. By Robert J. Russell. Pp. 539-548, 1 figure in
text. January 14, 1960.

22. Review of the insectivores of Korea. By J. Knox Jones,
Jr., and David H. Johnson. Pp. 549-578. February 23, 1960.

23. Speciation and evolution of the pygmy mice, genus Baiomys.
By Robert L. Packard. Pp. 579-670, 4 plates, 12 figures in
text. June 16, 1960.

Index. Pp. 671-690.

Vol. 10.

1. Studies of birds killed in nocturnal migration. By Har