R Dixon 1949 Journal May 21. Wildcat Cr., Contra Costa Co., Calif. Black-headed Grosbeak in Trees. Sceloporus on rock outcrop, Skinks under rock (soil too dry to form cast when pressed). Anolis lugubris under rock in grove of eucalyptus - cool situation. Sceloporus occidentalis - 2 lowered on wild oat noose 18" from a 2 on his territory. latter compressed sides and did push-ups several times but did not attack "intruder" Presence of people a possible factor - Defender in rock cluster - other Sceloporus found on old logs. Thamnophis - one taken in grass under tree along stream - h. Alcora forced it to disgorge a slug which it had eaten -( snout vent length 2 snake 2 feet) Cedar Waxwing flock about 2 dozen in laurel on rock - some "flycatching" - one bird on branch beside another - first hopped laterally to position beside latter which was stationary, moving back and forth several times thus - no further action - courtship? Aug 2. Univ Calif Campus Alameda Co., Calif. Clear day. My impression through walking on campus is that the only bird to be heard singing by mid-morning is the Purple Finch. Aug 3. NE far Sa-Pablo Ridge, Contra Costa Co. Calif. See species acct, Lophortys californica Aug 8 " " " " " Aug 11 " " " " "