Cogswell 1950 Bivanga ludoviciana 6 Aug. 16 near Sugar Bowl Lodge, 7000 ft., 1.2 mi. SSW Donner Pass, Placer Co., Calif. - 1 ♂ seen, one of the few noted in last few days. ♀♀ immatures are still abundant. Aug. 18 about 10 (all ♀♀ or immature) recorded in 1/4 (2:10-4 pm) mi. of conifer forest (Pinus murrayana, A. monticola, abies magnifica). Aug. 23 Yalena Cr. Camp, 6600 ft., Carson Range, Washoe Co., Nev. 2 seen in same area as on June 27 (q.v.), these both ♀ or imm. Aug. 24 near Sugar Bowl Lodge [see above] - ♀♀ and/or imm- [to Aug. 26] matures still common in conifer forest & mountain alders along small streams. No ♂♂ seen since 16th except 1 with dull red head (= 1st year ♂ ?), on "Signal Hill", 3/4 mi. W Donner Pass on the 24th.