M. M. Erickson 1933 Auriparus flaviceps flaviceps Palm Canyon, Riverside Co., Calif. Dec. 27, 1933 8:45 a. Single individual seen foraging in brush enclosed in last loop of Palm Canyon road; it worked over twigs for five minutes; gave brief call note and flew across road to other brush; spent part of time in mesquite and in [illegible]; a male. 9:00. One seen in cottonwood tree in which ringlet had been watched just previously; seen to get food from leaf blade once; frequently from leaf stems and smaller twigs; was first attracted to it by call notes; 9:30. Single individual seen on rocky slope above floor of canyon, foraging in low bushes = this one a male. Fort Yuma, Imperial Co., Calif. Jun. 4, 1934 A single individual or possibly two seen on brush of dry wash on road from highway to Mexican boarder. 11:00 A pair seen in bushes - catalaw, quail bush, along railroad, 4 mi. NW of Fort Yuma. Both individuals called frequently. One taken other flew off for time several minutes, then came back calling frequently; stayed in bush from which other had been shot as I looked for latter, called persistently. After finding one shot, other could not be located. Evidently this was a mated pair.