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. 553-572, 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.

More numbers will appear in volume 10.

Vol. 11. 1. The systematic status of the colubrid snake, Leptodeira discolor Gunther. By William E. Duellman. Pp. 1-9, 4 figs. July 14, 1958.

2. Natural history of the six-lined racerunner, Cnemidophorus s.e.xlineatus. By Henry S. Fitch.

Pp. 11-62, 9 figs., 9 tables. September 19, 1958.

3. Home ranges, territories, and seasonal movements of vertebrates of the Natural History Reservation.

By Henry S. Fitch. Pp. 63-326, 6 plates, 24 figures in text, 3 tables. December 12, 1958.

4. A new snake of the genus Geophis from Chihuahua, Mexico.

By John M. Legler. Pp. 327-334, 2 figures in text.

January 28, 1959.

5. A new tortoise, genus Gopherus, from north-central Mexico. By John M. Legler. Pp. 335-343.

April 24, 1959.

6. Fishes of Chautauqua, Cowley and Elk counties, Kansas.

By Artie L. Metcalf. Pp. 345-400, 2 plates, 2 figures in text, 10 tables. May 6, 1959.

7. Fishes of the Big Blue River Basin, Kansas. By W. L.

Minakley. Pp. 401-442, 2 plates, 4 figures in text, 5 tables. May 8, 1959.

8. Birds from Coahuila, Mexico. By Emil K. Urban.

Pp. 443-516. August 1, 1959.

9. Description of a new softsh.e.l.l turtle from the southeastern United States. By Robert G. Webb.

Pp. 517-525, 2 pls., 1 figure in text. August 14, 1959.

10. Natural history of the ornate box turtle, Terrapene ornata ornata Aga.s.siz. By John M. Legler. Pp. 527-669, 16 pls., 29 figures in text. March 7, 1960.

Index will follow.

Vol. 12. 1. Functional morphology of three bats: Eumops, Myotis, Macrotus. By Terry A. Vaughan. Pp. 1-153, 4 plates, 24 figures in text. July 8, 1959.

2. The ancestry of modern Amphibia: a review of the evidence. By Theodore H. Eaton, Jr. Pp. 155-180, 10 figures in text. July 10, 1959.

3. The baculum in microtine rodents. By Sydney Anderson.

Pp. 181-216, 49 figures in text. February 19, 1960.

More numbers will appear in volume 12.