C. Koford 121 Journal October 8, 1951. Aricoima, 15000', Dpto. Puno, Peru Min. temp. -1/2°C. last night. Lightly snowing all overnight at daybreak & on into morning. Mary caught 2 A. jelskii in 4 live traps put out in SE Canyon last yesterday. Light snow + rain + no prospect clearing. At 3 p.m. depart- ed with family in jeep to explore cordillera west of Ayaviri & Juliaca. Drove to near lake 3 miles beyond Asillo (9 p.m.) and camped. Overcast. Heavy rain in night. October 9, 1951 To nr. Ocoruro, 13700', Dpto. Puno Still overcast & occasionally sprinkling. Drove to Aya- viri & bought supplies. Then took Umocine road to Halli (25 mi. from Ayaviri), and on. Turnoff to Ocor- Ocoruro 4 1/2 miles on. A mud town about 20 miles from Halli, 1 mile beyond turnoff toward Ocororo. A lake with reeds, cotsa, ducks, 10 miles beyond Halli. We drove up Ocoruro road to O. (25 miles from junction - 70 mi. from Ayaviri) Ocororo = Cocero-sized unpainted mud village with control station. Drove on 5 miles & camped (13750') in rolling grassy country with thm bushes + few rocks. Overcast but breaking up to E. & W. October 10, 1951 Heard aws in night. Clearly morning & about 0°. Departed 0830 & drove toward Quota slowly. 18 miles for Ocoruro - we were at 15250' in rolling country where more gr Pyrophyllum than grass. Naked rocky hills higher than general level. Some vicunas and several herds of alpacas. Dry appearing area at near San