238 University of California Publications in Zoology [Vol. 10 



certainty that the bird was of this species and not the somewhat 

 similar F. mexicanus. At Hemet Lake- one was secured on 

 August 8, and another seen on August 10. 



The specimen taken (no. 2941) is a male in immature 

 plumage. The stomach contained the remains of a small finch, 

 apparently Amphispiza belli, swallowed feathers and all. 



Falco sparverius sparverius Linnaeus 

 Sparrow Hawk 



A fairly common species in the mountains, through Upper 

 Sonoran and into Lower Transition, sparingly at higher eleva- 

 tions. On the Pacific slope it was seen at various points in 

 Hemel Valley, Schain's Ranch, Poppet Flat, Thomas Mountain, 

 Strawberry Valley, and one bird at Pound Valley on July 11. 

 At the San Gorgonio base a few were seen about Banning and 

 Cabezon, in May and June. At the desert base they were rare. 

 A noisy pair was seen hovering about a rock}- cliff at the mouth 

 of Palm Canon, June 15. Later in the season. August 23 to 27, 

 when birds were 1 scattering more widely, several were met with 

 in the vicinity of Dos Palmos. 



Three specimens were preserved: no. 1776, adult male, 

 Schain's Ranch; do. 2574. adult female. Strawberry Valley; 

 and no. 257"). immature male. Strawberry Valley. The two 

 adults, shot mi .June 27 and July 10. respectively, are in exces- 

 sively worn plumage; the immature, shot July 16, is full grown, 

 and in fresh first annual plumage. 



Aluco pratincola (Bonaparte) 



Barn Owl 



At the Banning camp, on June 7 and again on June 10, barn 



owls were heard calling at night. At Hemet Lake, August 6 to 



16, barn owls were frequently heard at night, and on August 11 



one was flushed from a pine tree near the upper end of the lake. 



Asio wilsonianus (Lesson) 

 Long-eared Owl 

 Seen but once, at Pound Valley, 9000 feet, on July 27, when 

 a family of four was routed out of a dense clump of willows at 



