figure in text. May 20, 1959.

17. Distribution, variation, and relationships of the montane vole,
Microtus montanus. By Emil K. Urban. 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 28, 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 Harrison
B. Tordoff and Robert M. Mengel. Pp. 1-44, 6 figures in text, 2 tables.
September 12, 1956.

2. Comparative breeding behavior of Ammospiza caudacuta and A. maritima.
By Glen E. Woolfenden. Pp. 45-75, 6 plates, 1 figure. December 20, 1956.

3. The forest habitat of the University of Kansas Natural History
Reservation. By Henry S. Fitch and Ronald R. McGregor. Pp. 77-127, 2
plates, 7 figures in text, 4 tables. December 31, 1956.

4. Aspects of reproduction and development in the prairie vole (Microtus
ochrogaster). By Henry S. Fitch. Pp. 129-161, 8 figures in text, 4
tables. December 19, 1957.

5. Birds found on the Arctic slope of northern Alaska. By James W. Bee.
Pp. 163-211, pls. 9-10, 1 figure in text. March 12, 1958.

6. The wood rats of Colorado: distribution and ecology. By Robert B.
Finley, Jr. Pp. 213-552, 34 plates, 8 figures in text, 35 tables.
November 7, 1958.

7. Home ranges and movements of the eastern cottontail in Kansas. By
Donald W. Janes. Pp. 558-572, 4 plates, 3 figures in text. May 4, 1959.

8. Natural history of the salamander, Aneides hardyi. By Richard F.
Johnston and Schad Gerhard. Pp. 573-585. October 8, 1959.

9. A new subspecies of lizard, Cnemidophorus sacki, from Michoacan,
Mexico. By Willi