C. Koford 54 Journal. April 25, 1951 2 mi. W. Santa Rosa, 14000 ft., Dato. Pongo, Peru. rocks on steep slope ascending from stream (some Polylepis lushna present). About 4 p.m. flushed 4 of the large trinomae from 2' high tola on ridge near road. Clear calm night. About 4 p.m. a foot was in one steel set (in sands & tola); killed. One Akodon berlepschii April 26, 1951. in sand traps in tola & bunchgrass in after- oon. Another seen on sandy ground in open stand tola. April 26, 1951. First 20 traps held large Phyllostis. The 16 in sand held 1 Akodon (berlepschii?). The 25 traps held 3 Akodon jelskii, 1 A. berlepschii, 3 A. darwini (?)(young?), and 2 A. bolivi- ensis. Discarded 15 gm. A. berlepschii, imm. 29 gm. A. jelskii, adult ♀ 38 gm. A. jelskii, 3 imm. ♀ A. darwini (a order), and 1 A. bolivianensis. Mary K. put up 1 A. jelskii, 1 A. bolivianensis, and 1 Phyllostis darwini of my catch. Spent up 2 A. berlepschii & Durocyn. Picked up all traps. At 1:30 p.m. the 35 traps near camp held 3 A. berlepschii and one bird (rufous urn-like ground & rock bird). Traps by river held nothing. Saw one viscacha atop cliff overlooking river - only one I have seen at this camp al- though many viscachas - like droppings atop rocks. We deported about 4:30 p.m. Thunder, lightning, & light snow in afternoon. Rain below Santa Rosa. Camped at stream about 6 miles from Mayorguz-Tarata road. Local man said Pasto Grande about 30 km., Paracachera 50km, and Volcan Tutupaca 100 km. up the road, & no other road. He said rheas (llander) sometime seen at Pasto Grande, & that road better beyond point of camp (probably could ride with trailer). He described a grimo well & said there were some