,ob(i4: November 5, 1923 VoL> VIIIi pp> 85 _ 105 PROCEEDINGS OF THE NEW ENGLAND ZOOLOGICAL CLUB NEW GENERA AND SPECIES OF SNAKES BY AFRANIO AMARAL of the Instituto de Butantan, Sao Paulo, Brazil, and of the Museu Paulista During the course of my studies principally of Brazilian snakes I have found two new genera and fourteen new species. I am describing them in anticipation of a more extended dis-cussion of these forms in connection with monographs now in preparation. I wish very heartily to thank Dr. Leonhard Stejneger for the opportunity to study the American pit vipers in the United States National Museum and the staff of the Museum of Com-parative Zoology for hospitality during the past year. Drymobius rubriceps sp. nov. Diameter of the eye equal to four fifths of its distance from the end of the snout; rostral broader than deep (3.5: 2.5), visible from above; internasals
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