C. Koford 188 Journal Perc August 15, 1952. Saturday 3 mi. SW Juliaca Dpto. Puno, Nunited Natures Nothura 1 1/2 hrs. Took up steel traps. Set 20 snap traps on hill near cliffs + dry bunch grass. August 16, 1952. Traps held 2 minn. P. darwini. Went to Juliaca. Caught 5 Diolaeumus. Less than 1/10 clouds all day today with fair breezes. August 17, 1952. Sunday. Traps (20) held: P. pictus, 2 A. balwinensis, 3 P. darwini; discarded all + left traps out. By bicycle to Juliaca + the lagoon at Sem pate. Shot 8 Centropelma + other geese. 15 small dobers taken to this lagoon thir morning on mules + horses. Thern paddled kayak-fashion lay men on their lenses using a pole for paddle. They made a line & drew go costs into shallows at edge lake & caught many with wooden bolas or costs flew thru line of boats. Men wading assist ed. About 70 costs taken, perhaps 1/3 being half to 3/4 gram young of this year. Many still on nest islands of water plants. This in Fulvia gigantis. Less than 1/2 costs on lake then perhaps only 1/5. This "chaco" said to be held yearly. Costs called "joyas", Centropelma called "poco." Returns to Chellunguisi. August 18, 1952. The 20 traps held 2 A. balwinensis, 2 P. darwini. Put up 1 darwini; discarded others. Last 2 nights warmer than previous 2 + less frosty but thin ice formed. Aug. 16-17 night warm; but clear. To Juliaca & back. Picked up traps.