"wife Aug 10, 1952 find it difficult to describe. A Rhincheilus was brought in this morning which looks very close to typical clausus having only a very little red on its white rings. It is strikingly different from the typical antoni swosh which we captured north of Hermosillo, and which has been taken at Alamos and Guasocoba. Here frequently rears its ugly head. Yesterday Bill caught a Holoderma vividum while running his trap line. While washing it with a rock, he observed it to be very active and quick to bite. Bill came down with dysentery today, and is now all dosed up with sulfa, et al. Aug 11, 1950 While tearing apart some flood washed dolins (brush, leaves) in the bottom of a cañon (Arroyo negro) I found a Septodictis sphyxipasta hidden in the debris. Leptoctylus and Rana pipiens frequent these tangles and probably serve as food. A Buquascho brought in this morning had eaten an adult Bufo mozart-