1913] Grinnell-Swarth : Birds and Mammals of San Jacinto 225 



Marila affinis (Eyton) 



Lesser Scaup Duck 



A male scaup duck, presumably this species rather than the 

 rarer .1/. marila, was seen at Hemet Lake, August 10. 



Erismatura jamaicensis (Gmeliu) 



Ruddy Duck 



Probably about fifteen individuals remained at the upper cud 

 of Hemet Lake during the first three weeks in August. They 

 were seen almost daily, a Large proportion of them being still 

 in the bright breeding plumage, and were far too wary to per- 

 mit a near approach. 



Dendrocygna bicolor (Vieillol 



Fulvous Tree-duck 



One reported by Richardson as killed by a hunter near Cab- 

 ezon, May 20. It was Hushed from the grassy hank of an 

 irrigating ditch, and was undoubtedly a migrant. 



Plegadis guarauna (Linnaeus) 

 White-faced < Mossy This 

 One killed by a hunter at Banning, June 7, was examined by 

 Richardson. The owner would not part with the specimen, and 

 the species was not otherwise encountered by the expedition. 



Botaurus lentiginosus (Montagu) 

 American Bittern 

 One reported by Richardson as seen in a Hooded alfalfa Held 

 near Cabezon. May 15; probably a transient. 



Ardea herodias hyperonca Oberholser 



California Great Blue Heron 



Observed only at Hemet Lake, two seen on August 8 and one 

 on August 10. 



