226 Tlnivi rsity of California Publications in Zoology [Vol. 10 



Nycticorax nycticorax naevius (Boddaert) 



Black-crowned Night Heron 



Migrating night herons were observed on numerous occa- 

 sions on the oast slope of San Gorgonio Pass, single birds being 

 noted at Snow Crook. Whitewater, and Cabezon, on dates rang- 

 ing from May 24 to June 3. Several seen at Hemet Lake early 

 in August were also probably transients. 



Butorides virescens anthonyi i Mearns) 

 Ant hony < 1 reen Heron 



Single birds, probably migrants, seen at Cabezon and White- 

 water, on May 16 and 30, respectively. Next observed, a solitary 

 individual, at Hemet Lake. August 15. 



Fulica americana Gmelin 

 < !oo1 



Seen only at Hemet Lake, where, during the first tWO Weeks 



in August, the species was fairly common at the marshy upper 



end of the lake. 



Steganopus tricolor Vieillot 

 Wilson Phalarope 

 Three seen together a1 the east end of Hemet Lake. Augusl 11. 

 One of these secured no. 2946) is a female in juvenal plumage, 

 with traces of first winter plumage appearing on the hack. On 

 August 22 a large flock of phalaropes was observed Ear out on 

 the lake. From a distance they appeared to be too small for 

 this species, and may have been Lobipes lobatus, but they could 

 no1 be approached near enough for positive identification. 



Recurvirostra americana Gmelin 



Avocet 



Encountered only at Hemet Lake. On Augusl 8 a flock of 

 ten, and on August 21 several single birds were seen ahum the 

 shore at the upper end of the lake. The one specimen taken, an 

 adult female secured on August 8 (no. 2942), is molting into 

 winter garb, the plumage of the head, neck and upper breasl 

 being a mixture of gray and cinnamon colored feathers. 



