October 26, 1962.

5. Amphibians and reptiles of the rainforests of southern El Peten, Guatemala. By William E. Duellman. Pp.

205-249, pls. 7-10, 6 figures in text. October 4, 1963.

6. A revision of snakes of the genus Conophis (Family Colubridae, from Middle America). By John Wellman. Pp.

251-295, 9 figures in text October 4, 1963.

7. A review of the Middle American tree frogs of the genus Ptychohyla. By William E. Duellman. Pp. 297-349, pls.

11-18, 7 figures in text. October 18, 1963. 50 cents.

*8. Natural history of the racer Coluber constrictor. By Henry S. Fitch. Pp. 351-468, pls. 19-22, 20 figures in text. December 30, 1963. $1.00.

9. A review of the frogs of the Hyla bistincta group. By William E. Duellman. Pp. 469-491, 4 figures in text.

March 2, 1964.

10. An ecological study of the garter snake, Thamnophis sirtalis. By Henry S. Fitch. Pp. 493-564, pls. 23-25, 14 figures in text. May 17, 1965.

11. Breeding cycle in the ground skink, Lygosoma laterale.

By Henry S. Fitch and Harry W. Greene. Pp. 565-575, 3 figures in text. May 17, 1965.

12. Amphibians and reptiles from the Yucatan Peninsula, Mexico. By William E. Duellman. Pp. 577-614, 1 figure in text. June 22, 1965.

13. A new species of turtle, genus Kinosternon, from Central America. By John M. Legler. Pp. 615-625, pls.

26-28, 2 figures in text. July 20, 1965.

14. A biogeographic account of the herpetofauna of Michoacan, Mexico. By William E. Duellman. Pp. 627-709, pls. 29-36, 5 figures in text. December 30, 1965.

15. Amphibians and reptiles of Mesa Verde National Park, Colorado. By Charles L. Douglas. Pp. 711-744, pls. 37 and 38, 6 figures in text. March 7, 1966.

Index. Pp. 1-770.

Vol. 16. 1. Distribution and taxonomy of mammals of Nebraska. By J.

Knox Jones, Jr. Pp. 1-356, plates 1-4, 82 figures in text. October 1, 1964. $3.50.

2. Synopsis of the lagomorphs and rodents of Korea. By J.

Knox Jones, Jr., and David H. Johnson. Pp. 357-407.

February 12, 1965.

3. Mammals from Isla Cozumel, Mexico, with description of a new species of harvest mouse. By J. Knox Jones, Jr., and Timothy E. Lawlor. Pp. 409-419, 1 figure in text.

April 13, 1965.

4. The Yucatan deer mouse, Peromyscus yucatanicus. By Timothy E. Lawlor. Pp. 421-438, 2 figures in text. July 20, 1965.

5. Bats from Guatemala. By J. Knox Jones, Jr. Pp. 439-472.

April 18, 1966.

More numbers will appear in volume 16.

Vol. 17. 1. Localities of fossil vertebrates obtained from the Niobrara Formation (Cretaceous) of Kansas. By David Bardack. Pp. 1-14. January 22, 1965.

2. Chorda tympani branch of the facial nerve in the middle ear of tetrapods. By Richard C. Fox. Pp. 15-21. May 22, 1965.

3. Fishes of the Kansas River. System in relation to zoogeography of the Great Plains. By Artie L. Metcalf.

Pp. 23-189, 4 figures in text, 51 maps. March 24, 1966.

4. Factors affecting growth and reproduction of channel catfish, Ictalurus punctatus. By Bill A. Simco and Frank B. Cross. Pp. 191-256, 13 figures in text. June 6, 1966.

5. A new species of fringe-limbed tree frog, genus, Hyla, from Darien, Panama. By William E. Duellman. Pp.

257-262, 1 figure in text. June 17, 1966.

6. Taxonomic notes on some Mexican and Central American hylid frogs. By William E. Duellman. Pp. 263-279. June 17. 1966.

7. Neotropical hylid frogs, genus Smilisca. By William E.

Duellman and Linda Trueb. Pp. 281-375, pls. 1-12, 17 figures in text. July 14, 1966.

8. Birds from North Borneo. By Max C. Thompson. Pp.

377-433, 1 figure in text. October 27, 1966.

More numbers will appear in volume 17.