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Jan., 1910 SOME CENTRAL COLORADO BIRI) NOTES 37 very' clearly. A nest containing three eggs was found at Hooper, June 16, built in a greasewood bush a few inches above the ground. Junco aikeni. White-winged Junco. One or two seen at Querida, February, 1909. The rarest of the three Juncos seen there. Junco mearnsi. Pink-sided Junco. Common about Querida, February, 1909. Junco phaeonotus caniceps. Gray-headed Junco. Seen near Poneha Pass, in Madenos Cation (specimens collected at both localities), 4 miles south of Rosita, at Querida, and in Hardscrabble Cation. It was common at Querida in February, 1909. l?Ielospiza melodia montana. Mountain Song Sparrow. Seen at Glendale, near Salida, and at our Poncha Pass camp. At Westcliffe I took a full grown young of the year, July 24. l?Ielospiza georgiana. Swamp Sparrow. Merritt Cary took one at the Medano Ranch, October 23, 1907 (?4?, xxw, p. 182, April, 1909). Both Durand and myself looked industriously for the bird, but failed to find any, so I am much inclined to think Cary's bird was a straggling migrant. Pipilo maculatus montanus. ?Mountain Towhee. Seen near Cotopaxi, Howard, and Badger, all being points a!ong the Arkansas River. Pipilo fuscus mesoleucus. Cation Towhee. One was taken west of Cation City, just east of Eight Mile Park, and one seen near Pition station. Pipilo aberti. Abert's Towbee. The single record of this species for Colorado is based on what one cannot help thinking decidedly unsatisfactory evidence, a nest containing two eggs which Henshaw found at the San Luis Lakes, and which he says he compared with specimens in the Smithsonian and considered them to belong to Abert's Towbee. No birds were seen at the nest, and he says it had evidently been deserted a short time before. Mr. Aiken tells me that the next year after Henshaw was there, 1874, he saw a bird he supposed was this in the same locality, but had only a glimpse of it, and was unable to shoot it. I saw no Towbees of any kind at the lakes. 0reospiza chlorura. Green-tailed Towbee. Taken near Poncha Pass, and at Durkee Ranch; seen at Mosca Creek, in Madenos Cation, near Rosita, at West- elifie, and in Hardscrabble Cation. The one shot at Durkee Ranch was quite high up in a cottonwood tree work'ing about among the branches in what struck me as an un-towhee-'like fashion, so much so that I was puzzled to know what the bird was until I picked it up. It may be a well known habit, I can only say I never noticed it before. Zamelodia melanocephala. Black-headed Grosbeak. Taken on mesa east of Beaver Creek; seen in Copper Gulch, near Texas Creek, between Salida and Poncha Springg, at Muddy Creek, in Hardscrabble Cation, and at Fountain. Calamospiza melanocorys. Lark Bunting. One or two were seen near Turkey Creek; a mixed flock of 15 or 20, males and females, old and young, were seen near Westcliffe, and some were seen at various places between Beulah and Colorado Springs. Piranga !udoviciana. Western Tanager. Seen but once during the whole trip, in Copper Gulch. Petrochelidon lunifrons. Cliff Swallow. Seen at Coaldale, about Moffatt, Hooper, and Mosca. At the latter place is a grain elevator, about which the birds. were in swarms; I counted 108 nests on one side under the caves, and there seemed to be as many on the other side; this would mean over 400 adult birds, to say nothing of the young. There were many at the Medano Ranch, and they were seen at Muddy Creek, Querida, Westcliffe, and near Beulah. 1tirundo erythrogaster. Barn Swallow. Seen at a ranch south of Colorado