., 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 identity 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.
S. Natl. Mus., 187:iv + 239 pp., October 5.

1948. An annotated checklist and key to the Amphibia of Mexico. Bull. U.
S. Natl. Mus., 194: iv + 118 pp., June 17.

1950a. Type localities of Mexican reptiles and amphibians. Univ. Kansas
Sci. Bull., 33, pt. 2:313-380, March 20.

1950b. An annotated checklist and key to the reptiles of Mexico
exclusive of the snakes. Bull. U. S. Natl. Mus., 199:v + 253, October
26.

SMITH, P. W., and DARLING, D. M.

1952. Results of a herpetological collection from eastern central
Mexico. Herpetologica, 8:81-86, November 1.

STICKEL, W. H.

1943. The Mexican snakes