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Jan.,1913 BIRD NOTES FROM COAST OF NORTHERN LowER CALIFORNIA 23 Aeronautes melanoleucus. White-throated Swift. Several seen at Todos San- tos Island April 25. Calypte costae. Costa Hummingbird. Common on the mainland; fairly com- mon on Todos Santos and Cerros islands. Calypte anna. Anna Hummingbird. Common on the mainland. Tyrannus vociferans. Cassin Kingbird. Common on the mainland. Sayornis sayus. Sa? Phoebe. Common on the mainland; also seen on San Geronimo and 'Cerros islands. Say0rnis nigricans. Black Phoebe. Seen at Colnett. Myiochanes richarclsoni richarclsoni. Western Wood Pewee. One seen at Colnett April 8. Empiclonax difficilis rlifficfiis. Western Flycatcher. One taken at Hole in the Wall April 5. Corvus corax sinuatus. American Raven. Common 'on the mainland and o.n all the islands visited. A nest examined on San Geronimo Island April 14 con- tained newly hatched young. An adult bird taken on Cerros Island measures: length, 25.38 inches; wing, I7.38 inches. Agelaius phoeniceus neutralis. San Diego Red-wing. Common at Colnett. Sturnella neg4ecta. Western Meadowlark. Common at Colnett. Carpoclacus mexicanus frontalis. House Finch. Common on the mainland. Carpoclacus mexicanus clementis.. San Clemente House Finch. Common on Todos Santos Island. No specimens taken. I have placed the Todos Santos Island bird under this form on the authority of the A. O'. U. Check-List, I found no house finches on any of the other islands visited. Astragalinus psaltria hesperophilus. Green-backed Goldfinch. Fairly common on Todos Santos Island April 25. Passercaius belding4. Belding' Sparrow. Abundant in Colnett marshes. Zonotrichia leucophrys gambeli. Gambel Sparrow. Abundant at Colnett April 7-8; common on San Martin Island April 9-?, and on Todos Santos Island April 25. Spizella passerina' arizonae. Western Chipping Sparrow. Fairly common on north end of Cerros Island. Amphispiza bilineata cleserticola. Desert Sparrow. Rather common in low bushes on north end of Cerros Island. An adult male taken April 2? proved to be a breeding bird. Amphispiza belli. Bell Sparrow. Abundant on'San Martin Island. Begin- ning to breed April 23 . Aimophila ?raficeps ruficeps. Ruious-crowned Sparrow. This bird was more plentiful in the hills near Point Banda, below Ensenada, than I have ever seen it anywhere else. It was not noted in any other locality. Melospiza melodia cooperi. San Diego Song Sparrow. Common at C01nett. Piprio crissalis senicula. Ar!thony Towbee. Common at Colnett. Passerina amoena. Lazuli Bunting. One seen on Todos Santos Island April 25; male found dead by McC10skey at Colnett April 8. Piranga ludoviciana. Western Tanager. Several tanagers seen on Cerros Is- !and were probably of this species. They were very wild and no specimens were obtained. Petrocheliclon lunifrons lunifrons. Cliff Swallow. Common at Colnett. Hirunclo erythrogastra. Barn Swallow. Several seen at San Martin Island April 23. Iridoprocne bicolor. Tree Swallow. One seen at Colnett April 8.