| Vol. 1. | 1. | The pocket gophers (genus Thomomys) 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-shelled 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 virginianus). 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 (Thomomys) and a new spiny pocket mouse (Liomys) from Michoacán, 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 João 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 Michoacán, México. By E. Raymond Hall. Pp. 423-427, 6 figures in text. December 24, 1948. |
| | 22. | An annotated check list of the mammals of Michoacán, México. 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 Quantitative 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. |