42 
Occ. Pap. Mus. Nat. Hist. Univ. Kansas 151:1-23. 
Dugan, B. 1983. The mating behavior of the Green iguana, 
Iguana iguana . In: Burghardt, G.M. and A.S. Rand eds. 
Iguanas of the World: their behavior, ecology, and 
conservation. Noyes Publ. Park Ridge, New Jersey. 472 p. 
Dunn, E.R. 1924. Amastridium . a neglected Genus of snakes. Proc. 
U.S. Nat. Mus. 65:1-3. 
Dunn, E.R. 1926. The salamanders of the Family Plethodontidae. 
Smith Coll. 50th. Anniv. Publ. 7:1-441. 
Dunn, E.R. 1928. Notes on Bothrops lansbergii and Bothrops 
ophrvomegas . Bull. Antivenin Inst. Amer. 2:28-30. 
Dunn, E.R. 1931a. Preliminary list of the reptiles and amphibians 
of the Canal Zone and the provinces of Panama and Colon, 
R.P. Pp. 15-18 ex: Barbour, T. Seventh Ann. Report of Barro 
Colorado Island Biological Laboratory, Panama Canal Zone 
Nat. Research Council. 24 pp (mimeo). 
Dunn, E.R. 1931b. The amphibians of Barro Colorado Island. Occ. 
Pap. Boston Soc. Nat. Hist. 5:403-421. 
Dunn, E.R. 1931c. The herpetological fauna of the Americas. 
Copeia 1931(3):106-119. 
Dunn, E.R. 1932. The status of the snake Genus Rhadinaea Cope. 
Occas. Pap. Mus. Zool. Univ. Mich. 251:1-2. 
Dunn, E.R. 1933. A new Hvla from the Panama Canal Zone. Occ. Pap. 
Boston Soc. Nat. Hist. 8:61-64. 
Dunn, E.R. 1933. Notes on Coluber oaxaca and Masticophis 
mentovarius Copeia 1933(4):214. 
Dunn, E.R. 1933. A new snake from Panama. Copeia 1933 (4):193-194. 
Dunn, E.R. 1934. Notes on Iguana . Copeia 1934(1):l-4. 
Dunn, E.R. 1935. The snakes of the Genus Ninia . Proc. Nat. Acad. 
Acad. Sci. 21:9-12. 
Dunn, E.R. 1936. Notes on North American Leptodeira . Proc. 
Nat. Acad. Sci 22 (12):689-698. 
Dunn, E.R. 1936. Notes on American Mabuyas. Proc. Acad. Nat. 
Sci. Philadelphia 137:533-557. 
Dunn, E.R. 1937. The giant mainland Andes. Proc. New England 
Zool. Club 16:5-9. 
Dunn, E.R. 1937. New or unnamed snakes from Costa Rica. Copeia 
1937 (4):213-215. 
Dunn, E.R. 1937. Notes on tropical Lampropeltis . Occas. Pap. 
Mus. Zool. Univ. Mich. 353:1-11. 
Dunn, E.R. 1938. The snake Genus Enulius Cope. Proc. Acad. Nat. 
Sci. Philadelphia 89:415-418. 
Dunn, E.R. 1939. Mainland forms of Tretanorhinus . Copeia 
1939 (4):212-217. 
Dunn, E.R. 1940. Notes on some American lizards and snakes 
in the Museum of Goteborg. Herpetologica 1:189-194. 
Dunn, E.R. 1941. Notes on Dendrobates auratus . Copeia 
1941(2):88-93. 
Dunn, E.R. 1942. The American caecilians. Bull. Mus. Comp. Zool. 
Harvard. 91(6):439-540. 
Dunn, E.R. 1949. Relative abundance of some Panamanian snakes. 
Ecology 30:39-57. 
Dunn, E.R. 1951. The status of the snake Genera Dipsas and Sibon, 
a problem for guantum evolution. Evolution 5(4):355-358. 
