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Nov., 1918 NESTING OF THE ROCKY MOUNTAIN JAY 201 During these proceedings ! endeavored to discover with and without glasses what the jay was picking up, and later made a very careful search but found no trace of insect or other fo6d. Indeed, I don't believe there was any present. My companions had experiences somewhat similar to my own, seeing a few birds, climbing trees, etc., but they secured nothing except an extremely large cock dusky grouse. My mining friend, with a companion, made two sub- sequent trips of a couple of days each, to this and to another promising loca. tion. They found birds, but secured nothing. In early April, accompanied by assistants, I made another trip of over a hundred and fifty miles, on the reports of a reliable friend that "camp rob- bers" were apparently nesting. This trip resulted in collecting several sets of the noisy, vociferous Pinyon Jay but nothing I went after. Numerous similar trips in person or by proxy were equally unproductive. In August, 1917, J. D. Figgins, Director of the Colorado Museum, captured alive four Rocky Mountain Jays near Alma, Colorado, altitude 11,000 feet. On Fig. 38. AT TIMBERLINE IN TI{E I?OUNTAINS &BOVE ALMA, COLORADO; FEBRUARY, 1917. TI{E TYPE OF COUNTRY FREQUENTED BY THE ROCKY MOUNTAIN JAY. arri'?ng in Denver, they wcrc delivered to F. C. Lincoln, curator of birds. For their reception he had provided a commodious wire screen cage, located on an open porch on the shady side of his residence, and there they remained during the winter. Following are extracts from Mr. Lincoln's report upon these birds, made from memory and recently mailed to me from the army camp where he is now located in service. "The birds, four in number, were received late in August. One died short? ly after, from injuries received in transit, leaving but three. One of these had the tip of the right wing broken, necessitating amputation, which readily healed. This bird later proved most tame of the three. The cage was furnished with a large bush, a swinging perch, a box high up in one corner, and, after Christmas, with a small Douglas fir tree. The last mentidned was an immedi- ate success, all the birds thereafter roosting in it. They were all practically fearless from the start, but developed no degree of tameness. They were easily