Vol. 1. 1. The pocket gophers (genus Th.o.m.omys) of Utah. By Stephen D.

Durrant. Pp. 1-82, 1 figure in text. August 15, 1946.

2. The systematic status of Eumeces pluvialis Cope, and noteworthy records of other amphibians and reptiles from Kansas and Oklahoma. By Hobart M. Smith. Pp. 85-89.

August 15, 1946.

3. The tadpoles of Bufo cognatus Say. By Hobart M. Smith.

Pp. 93-96, 1 figure in text. August 15, 1946.

4. Hybridization between two species of garter snakes.

By Hobart M. Smith. Pp. 97-100. August 15, 1946.

5. Selected records of reptiles and amphibians from Kansas.

By John Breukelman and Hobart M. Smith. Pp. 101-112.

August 15, 1946.

6. Kyphosis and other variations in soft-sh.e.l.led turtles.

By Hobart M. Smith. Pp. 117-124. July 7, 1947.

7. Natural history of the prairie vole (Mammalian genus Microtus). By E. W. Jameson, Jr. Pp. 125-151, 4 figures in text. October 6, 1947.

8. The postnatal development of two broods of great horned owls (Bubo virginia.n.u.s). By Donald F. Hoffmeister and Henry W. Setzer. Pp. 157-173, 5 figures in text.

October 6, 1947.

9. Additions to the list of the birds of Louisiana.

By George H. Lowery, Jr. Pp. 177-192. November 7, 1947.

10. A check-list of the birds of Idaho. By M. Dale Arvey.

Pp. 193-216. November 29, 1947.

11. Subspeciation in pocket gophers of Kansas. By Bernardo Villa-R. and E. Raymond Hall. Pp. 217-236, 2 figures in text. November 29, 1947.

12. A new bat (genus Myotis) from Mexico. By Walter W. Dalquest and E. Raymond Hall. Pp. 237-244, 6 figures in text.

December 10, 1947.

13. Tadarida femorosacca (Merriam) in Tamaulipas, Mexico.

By Walter W. Dalquest and E. Raymond Hall. Pp. 245-248, 1 figure in text. December 10, 1947.

14. A new pocket gopher (Th.o.m.omys) and a new spiny pocket mouse (Liomys) from Michoacan, Mexico. By E. Raymond Hall and Bernardo Villa-R. Pp. 249-256, 6 figures in text.

July 26, 1948.

15. A new hylid frog from eastern Mexico. By Edward H. Taylor.

Pp. 257-264, 1 figure in text. August 16, 1948.

16. A new extinct emydid turtle from the Lower Pliocene of Oklahoma. By Edwin C. Galbreath. Pp. 265-280, 1 plate.

August 16, 1948.

17. Pliocene and Pleistocene records of fossil turtles from western Kansas and Oklahoma. By Edwin C. Galbreath.

Pp. 281-284, 1 figure in text. August 16, 1948.

18. A new species of heteromyid rodent from the Middle Oligocene of northeastern Colorado with remarks on the skull. By Edwin C. Galbreath. Pp. 285-300, 2 plates.

August 16, 1948.

19. Speciation in the Brazilian spiny rats (genus Proechimys, Family Echimyidae). By Joo Moojen. Pp. 301-406, 140 figures in text. December 10, 1948.

20. Three new beavers from Utah. By Stephen D. Durrant and Harold S. Crane. Pp. 407-417, 7 figures in text.

December 24, 1948.

21. Two new meadow mice from Michoacan, Mexico. By E. Raymond Hall. Pp. 423-427, 6 figures in text. December 24, 1948.

22. An annotated check list of the mammals of Michoacan, Mexico. By E. Raymond Hall and Bernardo Villa R.

Pp. 431-472, 5 figures in text. December 27, 1949.

23. Subspeciation in the kangaroo rat, Dipodomys ordii.

By Henry W. Setzer. Pp. 473-573, 27 figures in text, 7 tables. December 27, 1949.

24. Geographic range of the hooded skunk, Mephitis macroura, with description of a new subspecies from Mexico.

By E. Raymond Hall and Walter W. Dalquest. Pp. 575-580, 1 figure in text. January 20, 1950.

25. Pipistrellus cinnamomeus Miller 1902 referred to the genus Myotis. By E. Raymond Hall and Walter W. Dalquest.

Pp. 581-590, 5 figures in text. January 20, 1950.

26. A synopsis of the American bats of the genus Pipistrellus.

By E. Raymond Hall and Walter W. Dalquest. Pp. 591-602, 1 figure in text. January 20, 1950.

Index. Pp. 605-638.

Vol. 2. (Complete) Mammals of Washington. By Walter W. Dalquest.

Pp. 1-444, 140 figures in text. April 9, 1948.

Vol. 3. 1. The Avifauna of Micronesia, its origin, evolution, and distribution. By Rollin H. Baker. Pp. 1-359, 16 figures in text. June 12, 1951.

2. A Quant.i.tative study of the nocturnal migration of birds.

By George H. Lowery, Jr. Pp. 361-472, 46 figures in text.

June 29, 1951.

3. Phylogeny of the waxwings and allied species. By M. Dale Arvey. Pp. 473-530, 49 figures in text, 13 tables.

October 10, 1951.