my trip along base of cliff - rich with occasional Lygodium an quadrigulare, Baccharis + Danecro and cotton caught 1 Abelos-jelskii, and 3 Phyllostus (1 ozora, 1 darwini and 1 not yet named) Walked with Fyrum up to some cover & cliffs and recorded a few temperatures. The sunny cliff faces out of the mud were uncomfortably warm. A few flies around and saw 1 butterfly. Saw 1 Hummer. After shining drove to Hacienda Paramari and got stuck in the middle of the ford. It led to the house where I found no one except the administrator & some Indians, who hoisted & tugged the bus out of the river. Returned to camp at 4 and found Fyrum very sick & tired and with violent chills, so broke camp and drove to Jubaea, arriving 10 pm. Shade temp. at Rio Araguae camps: 5:30am 9°, 7:00-11°, 8:30-28°, 10-42°, 11-46°, 12:45-55°, 1:45-55°. July 19 To doctor and loafing in Jubaea. Doctor thinks Fyrum has only altitude sickness. Prescribed 3 kinds of pills [Dr. Efraín Camargo²] July 20 More loafing in Jubaea. At 3:30 drove to 6 km NW of town across the river to a large, closely grazed, turfy pampa with widely scattered bunches of grass and scattered cultivated fields. Turned over widely scattered rocks and at about 4 pm found 1 snake (Tachypus?), 1 lizard (Sceloporus?) and 3 nests of Calomyrmexella. These were simple grass nests under large boulders in open pampa with no cover higher than 2". The snake and