Person 1969 Myruel + boy set potraps in pm and we all slept right to the area overnight. Jack lighted for spiders between 7 and 9 pm with following results : square # spiders other Tillandsia per square A11-B12 0 - 15 F11-G12 4 - 13 G11-H12 11 - 154 H7-I8 17 - - G7-H8 15 - 1100 J9-K10 13 - 783 J4-K5 15 - 248 I2-J3 13 - 362 no geckos. Evening fairly warm, not windy. July 19 Temp. at dawn 16°. Numerous mosquitoes about 5-6 a.m. Heard barn owl twice during night, saw one bat at dawn, a hoodedlark hawk flew over at dawn, Carol saw some Pecho Chivores land on our hill at dawn, and saw flocks of doves fly over twice. Roy scared up what may have been a Burhuma in the dry wash while setting traps in pm. Took a few more insect samples in AM, then visited ruins of Poobecano. Two sets of soil droppings from near the study grid : 1) small bird feathers, mouse hair, mouse bones 2) small bird, mouse hair, phyllotis of 2 ages, mice, a few insects. Anta has been doing some owl pellets from east of San Bartolo (Cruz de Tresoz). In one pellet she found 23 scorpions and 4 geckos. The other pellets are loaded with scorpions also.