Cogswell 1950 Certhia familiaris 8-8 July 6 (cont.) 11151/4 - nest. ? out after 20+ sec. (1116), stopping on branches a few feet from nest. 11161/4 - ♂ sang from 100+ ft N of nest, other bird (therefore 4) still on branches near nest. 1117 - ♂ sang from trees 120+ ft E of nest. 1120 - observations ended. July 7 (see above under June 23) July 8 - Sugar Bowl Lodge, 7000 ft., 1.2 mi. SSW Donner Pass, Placer Co, Calif. - 1 singing in dense red fir - lodgepole pine forest 6500+ ft. July 11 am. River C Road, 3-4 mi. S Soda Springs, Placer Co, Calif. (early a.m.) 2 heard singing in fir areas of forest. July 21 Yuba Gap, 5800 ft., Nevada Co., Calif. - 2 heard in white fir - incense cedar - lodgepole pine forest. - N. side Bear Valley, 4580 ft., Nevada Co., Calif. - 3 heard calling in dense incense cedar - yellow pine - black oak forest. July 24} {July 25 " 29 " 31 new Sugar Bowl Lodge, 7000 ft. [see above] - still sing ing occasionally. 1 to 3 on all visits to dense forest areas. Aug. 1 N. Shore L. Van Norden, 6770 ft., Nevada Co., Calif. - 1 seen entering & leaving a NEST which is wedged behind the slightly loose bark on the side of a 2½" thick trunk of a dead lodgepole pine. R.B. says dis covered this nest on July 30, at which time he said he felt at least 1 egg in the nest, which is at about eye level above ground. The frequency of sints (about every 3-4 min.) today indicates young.