C. Koford 143 Journal December 17, 1951 Salinas, 22 mi. E. Arequipa, 14200' apparently of Attogis in a sandy draw (straight line, 3 ties). Occasional mouse tracks (?), on sandy slopes where few rocks & stiff s&her. A few clouds in late afternoon. To Arequipa, Peru December 18, 1951. Clean, cold. Traps held 2 P. derwinii, 1 a large 7, + 1 Alcedon andinae . Put up 1 each. Drove to Arequipa. Set 10-12 traps at hm. 51 (13700'), hm. 45½ (12700'), hm. 38¼ (11600'), and hm. 31½ (10750'). Stayed at Hotel New Cshute at 12000' Arequipa December 19, 1951. Shopping & business. December 20, 1951. Sst L. O. Pearson in bus arrived December 21, 1951 Departed Arequipa about 6 p.m. + camped about hm. 28. Dry + not cold at night. December 22, 1951. To La. Salinas, Dpto. Arequipa Picked up traps left Dec. 18. At 10500' catch 2 Phyllostic derwinii + remain 3 other + severe pulled out traps. Dry shallow canyon, brush with some rocks, purple- wild flowered thorny bush, some rocks, no water. At 11300', 5 A. yalobiii, 2 Phyllostic d., 1 bird (+ shot a Upucuthia), in 12 traps. Boulders, several birds ladders including thorned one 7' high (with balls of thorns 1' diam.), apparent old nests/roosts of birds, large 4"-leaved pale Tomontore brush. No open water but rather shallow not very dry. At 12300', 1 Alcedon andinae , + P. derwinii, in 12 traps. A scrub-oak like 4' high bush, Polypsis to 3', boulders, sandy - all nice near boulders. At 13300' in 10 traps, 2 P. derwinii + 1 bird (same as at 12300') (11300) Polypsis to 5' high; some grass, boulder, steep slope.