Part 12

MAYR, E.

1942. Systematics and the Origin of Species. New York, x + 334 pp., 29 figs.

MAYR, E., LINSLEY, E. G., AND USINGER, R. L.

1953. Methods and Principles of Systematic Zoology. New York. ix + 328 pp., 45 figs.

MERTENS, R.

1952a. Neues uber die Reptilienfauna von El Salvador. Zool. Anz., 148:87-93. February.

1952b. Die Amphibien und Reptilien von El Salvador auf grund der reisen von R. Mertens und A. Zilch. Abhand. Senken. Naturw. Gesell., 487:83, 1 Kart., 16 taf. December 1.

MITTLEMAN, M. B.

1944. Feeding habits of a Central American opisthoglyph snake. Copeia, no. 2:122. June 30.

NEILL, W. T. AND ALLEN, R.

1961. Further studies on the herpetology of British Honduras. Herpetologica, 17(1):37-52. April 15.

PARKER, W. K.

1878. On the structure and development of the skull in the common snake (Tropidonotus natrix). Phil. Trans. Roy. Soc. London, pt. 2:385-417, pp., pls. 27-33.

PETERS, W.

1860. Drei neue amerikanisches Schlangen. Monatsb. Akad. Wiss. Berlin, 1860:517-521, pl., fig. 3. October.

RADOVANOVIC, M.

1937. Osteologie des Schlangenkopfs. Jenaische Zeitschr. Naturw., 71(2):179-312.

SAVAGE, J. M.

1949. Notes on the Central American snake, Conophis lineatus dunni Smith, with a record from Honduras. Trans. Kansas Acad. Sci., 50:483-486. December 31.

SCHMIDT, K. P.

1928. Reptiles collected in Salvador for the California Institute of Technology. Zool. Ser. Field Mus. Nat. Hist., 12(16):193-201. November 21.

SCHMIDT, K. P. AND INGER, R. F.

1957. Living Reptiles of the World. Garden City, New York, Hanover House. 287 pp.

SMITH, H. M.

1941. Notes on snakes of the genus Conophis. Journ. Washington Acad. Sci., 31(3):117-124. March 15.

SMITH, H. M. AND TAYLOR, E. H.

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

STUART, L. C.