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 150 THE CONDOR VOL. X Melospiza linolni. Lincoln Sparrow. A few seen in February and March. Caught one in the carpenter shop one windy morning. Pipilo maculatus megalonyx. Spurred Towbee. Young and adults seen in the pinyon and juniper zone in the Chusca mountains. Seemed to be not common. 0reospiza chlorura. Green-tailed Towbee. Common at Shiprock during spring migration. Seen among the pinyohs and pines on the mountains. Zamelodia melanocephala. Black-headed Grosbeak. Common. Breeding at Shiprock in the cottonwoods, and also in the pine belt in the mountains. Guiraca c/erulea lazula. Western Blue Grosbeak. Three seen August 16, feeding on ripening sunflower seed. Cyanospiza amena. Lazuli Bunting. One seen along the river m August. Calamospiza melanocorys. Lark Bunting. Seen once, when a flock of about thirty was encountered on a showery afternoon, June 2nd. Piranga ludoviciana. Western Tanager. A few at Shiprock in May, and also in the mountains in July. Petrochelidon lunifrons. Cliff Swallow. Common. A big colony nested on a bluff overhanging the river. Fifty nests were counted. It was a nesting site se- cure from marauders, but sure destruction for the precocious nestling who fell out of the nest. A few of the swallows were seen also at a Navajo "hogan" or house, near the foothills. Hirundo erythrogastra. Barn Swallow. A few seen in June. Tachycineta thalassina lepida. Violet-green Swallow. Very numerous near the river before nesting time. Seen in the mountains in July, from the pinyon belt up to and extendlug into the pines. Stelgidopteryx serripennis. Rough-winged Swallow. A few seen along the river and also in the edge of the pinyohs. Ampelis cedrorum. Cedar Waxwing. One seen in a cottonwood tree near the schoolhouse May 27th. Lanius ludoviianus excubitorides. White-rumped Shrike. Seen occasionally in Sarcobalus thickets along the river. A juvenile caught under a "deadfall" set for rats and squirrels near the edge of the junipers. He was probably after the bacon rind bait. Vireo solitarius plumbeus. Plumbeous Vireo. Seen several times at the river and also found later in the mountains. Vireo gilvus swainsoni. Western Warbling Vireo. Seen occasionally, but more often heard singing in the tree tops along the river. Helminthophila luci/e. Lucy Warbler. One secured in a grove along the river May 19. Dendroica/estiva. Yellow Warbler. Very numerous; nesting in every cotton- wood grove and also in trees near the buildings. Their song was heard more often than any other. Dendroica auduboni. Audubon Warbler. Numerous during May. Seen in the mountains in July. Dendroica nigrescens. Black-throated Gray Warbler. Fairly common in the mountains among pines and oaks. Noticed old birds feeding grown young, several times during July. Two juveniles noted along river in August. Seiurus noveboracensis notabilis. Grinnell Water Thrush. one secured among small cottonwoods on overflow land. Geothlypis tolmiei. Tolmie Warbler. Numerous in May along the river. Seen in July in mountain meadows near summits of Chusca range.