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 July, 1909 NOTES ON THE BIRDS OF LOS CORONADOS ISLANDS 1,37 natural bridge. The eggs averaged smaller than the ones taken in April, and all eggs were incubated. Phalacroorax pelagicus respleadens. Baird Cormorant. Two pairs were nest- ing on North Island on April 8, but their nests were inaccessible. One dead adult was found in the surf May 31. Pelecanus calffornicus. California Brown Pelican. About five hundred pairs nested on North Island April 8. The colony extended from the south end to with- in one-half mile of the north end. The majority of the nests contained sets of three, very few two, but none with more than three. On the'_first of June we made a care- ful survey of the colony and found only four sets of eggs, altho many nests of the first setting contained large young. Totanus melanoleucus. Greater Yellow-legs. One shot on South Island April 11 by Beck. Heteractitis incanus. Wandering Tattler. One taken April 8 and one April 9, both females; not common. Actitis macularia. Spotted Sandpiper. Very rare; one male taken on North Island June 1st. Areaaria melanocephala. Black Turnstone. Common; several taken. Haematopus bachmani. Black Oystercatcher. Fairly common on.'all the is- lands. Seen only at low tide. Three skins taken, one April 6 and two June 4, showing signs of breeding. Lophortyx sp.? Quail. Fairly common on South Island. A few specimens secured, but status of the species undetermined. Falco peregrinus aaatum. Duck Hawk. Three pairs were nesting on South Island, and two pairs on North Island. All nests were inaccessible. Three speci- mens were secured. Falco sparverius pha10ena. Desert Sparrow Hawk. One bird, probably of this species, was seen hovering over North Island April 8. Asio accipitrinus. Short-eared Owl. One flusht from a bush on North Island April 8. Ceryle alcyon. Belted Kingfisher. One seen fishing near camp on South Is- land April 10. Aeronautes melanoleucus. White-throated Swift. A few seen flying over-head on South Island April. 5, and over North Island June 2. One secured by Beck. Calypte anna. Anna Hummingbird. Not common; only seen on the largest island. Sayornis saya. Say Phoebe. Seen on North Island April 8. ]mpidonax difficilis. Western Flycatcher. Fairly common on the hillside of North Island. ]mpidonax traillii. Traill Flycatcher. Oe taken June 4 on North Island. Corvus corax sinuatus. American Raven. Saw about six individuals during week of April 4 to April 11 on South Island. Carpodacus clementis. San Clemente House Finch. These birds were abundant on all the islands. The males were of bright fine plumage, the coloration on the breast and head varying from a bright red to a yellowish orange. Zonotrichia leucophrys gambeli. Ganabel Sparrow. One taken on South Is- land April 4 and several seen on North Island April 8. Melospiza coronatorum. Coronado Song Sparrow. Fairly common on all the islands. Three young just able to fly were seen on Middle Island April 8. Spizella passetiaa arizonae. Western Chipping Sparrow. Noted April 8 on North Island; rare.