1957. _Hyla microeximia_ sp. n., Hylidae, Amphibia, from Jalisco, Mexico. Herpetologica, 13:81-86, July 10.

MILSTEAD, W. W.

1953. Geographic variation in the garter snake, _Thamnophis cyrtopsis_.

Texas Jour. Sci., 5:348-379, September.

MOSIMANN, J. E.

1956. Variation and relative growth in the plastral scutes of the turtle _Kinosternon integrum_ LeConte. Misc. Publ. Mus. Zool. Univ. Michigan, 97:1-43, November 7.

MOSIMANN, J. E., and RABB, G. B.

1953. A new subspecies of the turtle _Geoemyda rubida_ (Cope) from western Mexico. Occ. Pap. Mus. Zool. Univ. Michigan, 548:1-7, November 9.

OLIVER, J. A.

1937. Notes on a collection of amphibians and reptiles from the state of Colima, Mexico. Occ. Pap. Mus. Zool. Univ. Michigan, 360:1-28, November 20.

ORTON, G.

1943. The tadpole of _Rhinophrynus dorsalis_. Occ. Pap. Mus. Zool. Univ.

Michigan, 472:1-8, May 18.

PETERS, J. A.

1954. The amphibians and reptiles of the coast and coastal sierra of Michoacan, Mexico. Occ. Pap. Mus. Zool. Univ. Michigan, 554:1-37, June 23.

1955. Notes on the frog genus _Diaglena_ Cope. Nat. Hist. Misc., 143:1-8, March 28.

1957. The eggs (turtle) and I. Biologist, 39:21-4.

RABB, G. B.

1958. On certain Mexican salamanders of the plethodontid genus _Chiropterotriton_. Occ. Pap. Mus. Zool. Univ. Michigan, 587:1-37, June 6.

RABB, G. B., and MOSIMANN, J. E.

1955. The tadpole of _Hyla robertsorum_ with comments on the affinities of the species. Occ. Pap. Mus. Zool. Univ. Michigan, 563:1-9, March 29.

REEVE, W. L.

1952. Taxonomy and distribution of the horned lizards genus _Phrynosoma_. Univ. Kansas Sci. Bull., 34 (pt. 2):817-960, February 15.

SCHMIDT, K. P., and SHANNON, F. A.

1947. Notes on amphibians and reptiles of Michoacan, Mexico. Fieldiana, zool., 31:63-85, February 20.

SHANNON, F. A., and HUMPHREY, F. L.

1957. A new species of _Phrynohyas_ from Nayarit. Herpetologica, 13:15-18, March 30.

1958. A discussion of the polytypic species, _Hypopachus oxyrrhinus_, with a description of a new subspecies. Herpetologica, 14:85-95, July 23.

SMITH, H. M.

1938. The lizards of the _torquatus_ group of the genus _Sceloporus_ Wiegmann, 1828. Univ. Kansas Sci. Bull., 24:539-693, February 16.

1939. The Mexican and Central American lizards of the genus _Sceloporus_. Zool. ser., Field Mus. Nat. Hist., 26:1-397, July 27.

1941a. A review of the subspecies of the indigo snake (_Drymarchon corais_). Jour. Washington Acad. Sci., 31:466-481, November 11.

1941b. Notes on the snake genus _Trimorphodon_. Proc. U. S. Natl. Mus., 91:149-168, November 10.

1942a. Mexican Herpetological Miscellany. Proc. U. S. Natl. Mus., 92:349-395, November 5.

1942b. The synonymy of the garter snakes (_Thamnophis_), with notes on Mexican and Central American species. Zoologica, 27:97-123, October 23.

1942c. Remarks on the Mexican king snakes of the triangulum group. Proc.

Rochester Acad. Sci., 8:196-207, September 10.

1942d. Descriptions of new species and subspecies of Mexican snakes of the genus _Rhadinaea_. Proc. Biol. Soc. Washington, 55:185-192, December 31.

1943. Summary of the collections of snakes and crocodilians made in Mexico under the Walter Rathbone Bacon Traveling Scholarship. Proc. U.

S. Natl. Mus., 93:393-504, October 29.

1951. The ident.i.ty of the ophidian name _Coluber eques_ Reuss. Copeia, 1951 (2):138-140, June 8.

SMITH, H. M., and LAUFE, L. E.

1945. Notes on a herpetological collection from Oaxaca. Herpetologica, 3:1-13, November 21.

SMITH, H. M., and TAYLOR, E. H.

1945. An annotated checklist and key to the snakes of Mexico. Bull. U.