Davis. 1940. 2), Sparks Lake, Deschutes Co., Oregon. July 7. Lemlock, white pine, lodgepole pine, and red fir. Collected ?'s? Western Tanagers, evening grosbeak, and Steller Jay. Took a boat out on Sparks Lake, which is very shallow at this (north) end, about 5' maximum. Many drednings at southeast part of our end of lake, of which Sibley collected 1. July 10. Drove to Elk Lake for supplies in morning, saw 20 violet-green swallows. Then to Willap plains, at base of lava flows, 5900'. Saw Townsend Solitaire on flowa. Climbed South Sister Mt., from 1: p.m. until 7: p. m., to within 750' feet of summit, which is 10,354'. Hudson- man (time allianis) extends from about 8500 to 8500', Arctic alpine to summit. Plants noted were Centostemon merjesis, Castilleia miniata, Thysoopsis sp., Eriogonum umbellatum, Talyptridium grandel- latum, Phyllodoce breweri, and a dwarf lupinus. Birds noted: Cassin Purple Finch, Oregon Junco, Pine Siskin, and 250' below the summit, in a huge cirque, Rosy Finches (8). The huge snow-fields were encountered, as well as large areas of shifting talus, making the climb rather difficult. Melting snow caused heavy rock slides into the cirque. As several rocks came quite close, we retreated to the rim. Started descent at 7:15 p.m., arriving at truck at about 8:45 p.m. July 11. Cleaned up camp, bathed, etc. Birds noted to date: Barrow Goldeneye, mallard, osprey, Killefer, spot- ted sandpiper, Pacific nighthawk, Allenhummer, American three-toed woodpecker, hairy woodpecker,