1913] Grinnell-Swarth : Birds and Mammals of San Jacinto 247 



Palm Canon, June 11-18. several seen or heard, from the mouth 

 of the canon up to about 3000 feet; Garnet Queen Mine, June 

 25-July 1, several heard; Tahquitz Valley, July 19-August 5, 

 two seen ; Dos Palmos, August 22-27, several heard. 



Three specimens were secured: an adult male, Ken worthy, 

 June 5 (no. 2276), art adult male, Dos Palmos, August 23 (no. 

 2495), and a juvenal male, Tahquitz Valley (no. 2851). These 

 examples are all clearly referable to the Pacific Coast race 

 califomicus, rather than to the larger, paler nuttalli, or to the 

 smaller, paler nitidus. 



Chordeiles acutipennis texensis Lawrence 

 Texas Nighthawk 



Seen at various points in Lower Sonoran on the desert slope 

 of the mountains, nowhere in any abundance. A few were noted 

 along the lower reaches of Palm Canon, in June, the highest on 

 a ridge above Potrero Spring, about 3500 feet. Near Cabezon, 

 at the San Gorgonio base of the range, several were observed 

 on May 5 and 13. At Kenworthy. late in the evening of May 23. 

 a single nighthawk Hew past, sailing close to the ground. This 

 may possibly have been ('. virginianus hesperis, but the hasty 

 glimpse of the bird obtained in the twilight was insufficient 

 definitely to establish its identity. It w r as the only nighthawk 

 seen in the higher mountains. At Vallevista, at the Pacific base 

 of the mountains, three Texas nighthawks were observed between 

 August 29 and September 5. 



Two specimens were preserved: an adult female, Cabezon, 

 May 16 (no. 1772), and an immature female. Vallevista. Sep- 

 tember 2 (no. 3098). 



Cypseloides niger borealis (Kennerly) 



Black Swift 

 In Strawberry Valley, from July 9 to 16, black swifts were 

 noted overhead almost daily. They were in companies of from 

 two to ten, invariably circling high up in the air, far out of 

 gun range. Peculiarities of color, flight, and notes, however, 

 served to distinguish the species, even at a distance, and there 



