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?o4 THE CONDOR [ VOL. V of some bushes where we all were trying to get out of the prevailing sandstorm. He caught flies on the wing, and alighted on our shoulders several times, almost permitting us to handle him. A few Louisiana tanagers were seen on the Provi- dence Mountains. The last days of July several came into a vineyard on Bill Wil- liams River and other migrants were seen later along the Colorado River. Piranga hepatica. Hepatic Tanager. A male shot July 8, at 6300 altitude on the Hualapai Mountains was the only one seen. As is usual with this species, it was in pines. Piranga rubrtt c00peri. Cooper Tanager. The two white men living at Twenty-nine Palms described a bird closely which must have been of this species; they said it was the only one they had ever seen, and that it appeared a fortnight previously and remained in the shrubbery around their cabins a week. It had probably wandered from its usual haunts in the willow groves of the Colorado River bottoms. August ?4 I shot a male Cooper tanager twenty-five miles below l?hrenberg on the California side of the river. This was the only individual I saw on the trip. Petr0chelid0nlunifr0ns. Cliff Swallow. Seen occasionally at Big Sandy Creek, Bill W?illiams River and about the Colorado near Ehrenberg. A few old nests were plastered along the nearly perpendicular cliffs of the Bill Wiliiams 'River canyon. Hirund0 erythr0gastra. Barn Swallow. Noted only at Twenty-nine Palms, where several individuals appeared to be smnmer residents. Tachycineta lepida. Northern Violet-green Swallow. Rather common about the summits of Providence Mountains, probably residents. I saw two flocks along Big Sandy Creek, July ?7, migrating, and another flock at Parker on the Colorado River a fortnight later. Phainopepla nitens. Phainopepla. Seen at base of Providence Mountains, Needles, Beale Spring, Big Sandy Creek and Ehrenberg, usually in small numbers. Lanius lud0vicianus excubit0rides. White-rumped Shrike. Seen in most of the localities visited, but not at all common. Vireo gilvus swains0ni. Western Warbling Vireo. Heard in the Providence Mountains. Not noted elsewhere. Vireo solitarius cassini. Cassin Vireo. Providence Mountains, 5000 to 600o feet altitude; not common. Vireo s01itarius plumbeus. Plumbeus Vireo. Rather common in the pinyon belt at base of the Hualapai Mountains. Not heard above 60o0 feet altitude. Vireo pusillus. Least Vireo. Seen and heard at various places along the Col- orado River and at Big Sandy Creek. I thought I heard [zireo z, icinior on Provi- dence Mountains, but as I could not see it I may have been mistaken, its song be- ing very similar to that of cassi?zi, which was present a little higher up the moun- tains. Helminth0phila lucia?. Lucy Warbler. First seen at Little Meadows, where I shot the male parent and one of the brood of young June 2?. This was about fif- teen miles east of Fort Mohave, where Dr. Cooper obtained the types. I failed to find the species along the Colorado River. Two more males were shot in July at Big Sandy Creek where the species was rare. Not observed elsewhere. Helminth0phila virginia?. Virginia Warbler. Shot one on the Hualapai Mountains. Two or three more were seen there. Not observed elsewhere. Helminth0phila celata lutescens. Lutescent Warbler. Seen migrating at Twenty-nine Palms May ?7-