(514) G driven off. to be again driven off with blows about the head and a final push on her body as she left. B then resumed his inspection. I would like to know what all this means. I have never seen it before. Dr. Brownie. B is watching the young and the nest like a physician at a bedside during the crisis. T offered him a worm to see what would happen and he gulped it down promptly, which means nothing to me. G did not leave the tree while I was there, but sat apart. At 5:10 B was still in the nest but not moving. As a guess , perhaps the repulse of G meant that the young, in B's opinion, had enough food. November 10th. (Min. last night 50) Ants in nest! 9:30 A.M. About 7:45 A.M. I went to the nest. The parents were absent and the nest was full of the accursed Argentine ants. 1 youngster daed. The young bird that I thought was getting slighted in the distribution of food was dead in the bottom of the nest, flattened out and cold. B attacks ants. Brownie came almost at once and attacked the ants. I lifted the livig Young taken out. youngsters out of the nest, B not objecting--in fact as I put my hand in the nest he picked an ant off of it . He at once started hammering B shakes nest, the bottom of the nest vigorously,and shaking it with his bill so powerfully that a shower of small particles fell through the bottom. Put young back I removed the ants from the youngsters, killed all the ants I could see and put them back for B to feed with meal worms. I then went about and reenforced my barrages of tangle-foot. There were a few bridges across them where pine-needles had been blown by the wind. The ants were using these to a certain extent, but no doubt also gaining access to the nest from surrounding trees and shrubs w B ignores ants on himself. with interlacing branches. They were even on Brownie, but he ignored them in his concern for the young. There seemed nothing to do but Nest foul destroy the nest as it was also foul, due I thought at the time, to imperfect scavenging on account of the birds' preoccupation with the ants.