Greene, H. 1991 July 22 Walked the vertebrate transect this AM w/ Paula Skilling (reptile keeper, Dallas Zoo) - in addition to numerous small herps (see separate data sheet) we saw several nice tracks of cf. Felis concolor and cf. small Panthera onca on the SUTA, going toward CC. Gustavo Vargas saw cat tracks further out the CC. After lunch I hiked CES -> LOC -> SAT 1200 to see cat tracks reported by Mike Keller, but found and tracing of Nausua. On the way out I met Gustavo, who directed me out Sendero La Chanchera for more tracks; saw numerous tracks of Nausua and 1 old of Felis pardalis. On CEN and SOC, the latter where Derin Graham had reported a cat track, I traced what might be Canis latrans. Isais Alvarado told me he has heard cyotes in the Puerto Viejo region recently, and supposed a guard here saw one this year. Also might be a dog. July 23 Rained most of the night before dawn. On the 21st ~2030h I caught a Leptodeira septentrionalis crawling beside the library (545+152mm, 36g) and palpated from it the hind toes of a juvenile Bufo marinus; snake thrashed, bit, and cloacal discharged while handled. Yesterday Derin Graham brought in a Tantilla melanocephalus (273+90mm, 6.0g, S), caught ~0600h crawling near the River Station. This afternoon Orlando Vargas walked to the three sites for Oxychris calcarifer to identify plants. At 550 850m, where Wendy Roberts studied last year, the