April 27 Cares Jones, night cloudy. Started to drizzle off and on before daybreak. My traps had 1 Stenomys, 4 abo pantlo, 1 Aulicomyz, 3 Oryzomyz, 4 also lonji, 1 Phyllode, and 2 2 Eligmodonta. The Aulicomys was out in the lower steps but in a big clump of colofate. Lynnis line, including my seven along the river, had 3 Oryz, 2 abo lonji, and 1 abo pantlo. Susan Martin, who arrived yesterday directly, had put out about 25 traps (big Sherman and museum specials) and caught 7 abo lonji, 2 abo pantlos, and 3 Oryz. Left about noon; light rain. Total catch for the two days: Stenomyz 2 Phyllode 2 abo lonji 22 Oryzomys 16 abo pantlo 21 Eligmodonta 9 Aulicomyz 2 Total 73. About 50% trap success. Saw very fresh vizcacha droppings in the cliffs near the owls. Nothing breeding, although there were some quite small Oryzomys. April 28 Barilabo April 29 Rio Castanos Cvero. Left Barilobo 9:40, somewhat cloudy, than clear. The autumn colors of trees and ferns along the Rio Mosa magnificent. Made camp at our usual place on the Rio Castano Cvero until Maurice Dunball and set out the grid, except for lost 3 traps. As we walked up to the grid a Piping Owl was being mobbed by a dozen ravetters. Also saw downy woodpecker north of grid. At 5:30 put out 25 museum specials in pairs, one baited with crystallized honey, one with cornmeal.