na. By Terry A. Vaughan. Pp. 507-512. July 23, 1954.

9. Mammals of the San Gabriel mountains of California. By Terry A.
Vaughan. Pp. 513-582, 1 figure in text, 12 tables. November 15, 1954.

10. A new bat (Genus Pipistrellus) from northeastern Mexico. By Rollin
H. Baker. Pp. 583-586. November 15, 1954.

11. A new subspecies of pocket mouse from Kansas. By E. Raymond Hall.
Pp. 587-590. November 15. 1954.

12. Geographic variation in the pocket gopher, Cratogeomys castanops, in
Coahuila, Mexico. By Robert J. Russell and Rollin H. Baker. Pp. 591-608.
March 15. 1955.

13. A new cottontail (Sylvilagus floridanus) from northeastern Mexico.
By Rollin H. Baker. Pp. 609-612. April 8, 1955.

14. Taxonomy and distribution of some American shrews. By James S.
Findley. Pp. 613-618. June 10, 1955.

15. The pigmy woodrat, Neotoma goldmani, its distribution and systematic
position. By Dennis G. Rainey and Rollin H. Baker. Pp. 619-624. 2
figures in text. June 10, 1955.

Index. Pp. 625-651.

Vol. 8. Nos. 1-10 and index. Pp. 1-675, 1954-1956.

Vol. 9. 1. Speciation of the wandering shrew. By James S. Findley. Pp.
1-68, 18 figures in text. December 10, 1955.

2. Additional records and extensions of ranges of mammals from Utah. By
Stephen D. Durrant, M. Raymond Lee, and Richard M. Hansen. Pp. 69-80.
December 10, 1955.

3. A new long-eared myotis (Myotis evotis) from northeastern Mexico. By
Rollin H. Baker and Howard J. Stains. Pp. 81-84. December 10, 1955.

4. Subspeciation in the meadow mouse, Microtus pennsylvanicus, in
Wyoming. By Sydney Anderson. Pp. 85-104, 2 figures in text. May 10,
1956.

5. The condylarth genus Ellipsodon. By Robert W. Wilson. Pp. 105-116, 6
figures in text. May 19, 1956.

6. Additional remains of the multituberculate genus Eucosmodon. By
Robert W. Wilson. Pp. 117-123, 10 figures in text. May 19, 1956.

7. Mammals of Coahuila, Mexico. By Rollin H. Baker. Pp. 125-335, 75
figures in text. June 15, 1956.

8. Comments on the taxonomic status of 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. Russe