Swefel Aug 12, 1950 Animals found in stomachs of exam-ined yesterday included a nesting bird in Heloderma, Bufo mazatlan-ensis in Drymarchon and Thamnophis, and Smilisca and Cnemidophorus in Drymarchon. A Drymarchon from a couple of days ago had eaten a small B. punctatus. A Trimorphodon was brought in today by a small boy who said he had found it in a crack in the rocks. A series of tadpoles (1231) which I collected from pools in a rocky canyon NE of the ramdbuse do not fit any of the adult anurans I have seen. In life the tadpoles were gray with gold flecks laterally. They were not gregarious like the smaller black tad, which I believe are Leptodactylus. They have the habit of hanging motion-less in the water in a retical position, tail down. Aug 19, 1950 This morning before we left, there were snakes wed carried in (Hypsiglena, Drymarchon, and Constrictor), and with a Coluber bilineatus which we captured on the way out; gives me