ECUADOR CHECKLIST P 52 



1951. A new giant toad from southwestern Colombia. Zoologica, New 

 York, 36:279-282. 



NEILL, W.T. 



1965. A third specimen of the Ecuadorian salamander Bolitoglossa 

 chica. Herpetologica, 20:285-286. 



NICEFORO-MARIA, H. 



1950. Contribuclon al conocimiento de los ofidios de Colombia. 

 Rev. Acad. Colom. Sci . , 7:517-518. 



NIEDEN, F. 



1923. Subordo Aglossa and Phaneroglossa, Anura 2. Das Tierreich, 

 (46): 1-584. 



1926. Amphibia. Anura. II. Engystomatidae. Das Tierreich, (49) :1- 

 110. 



NOBLE, G.K. 



1917. The systematic status of some batrachians from South Amer- 

 ica. Bull. Amer. Mus . Nat. Hist., 37:793-814. 



1921. Five new species of Salientia from South America. Amer. Mus. 

 Nat. Hist. Novitates, (29):l-7. 



1926. An analysis of the remarkable cases of distribution among 

 the amphibia, with descriptions of new genera. Amer. Mus. 

 Nat. Hist. Novitates, (212):l-24. 



OFTEDAL, O.T. 



1974. A revision of the genus Anadia (Sauria, Teiidae). Arq. 

 Zool. S. Paulo, 25:203-265. 



OLIVER, J. A. 



1942. A check list of the snakes of the genus Leptophis , with 

 descriptions of new forms. Occ . Pap. Mus. Zool. Univ. 

 Michigan, (462): 1-19. 



1948. The relationships and zoogeography of the genus Thaler- 

 ophis Oliver. Bull. Amer. Mus. Nat. Hist., 92:157-280. 



