(516) surpass his patience and solicitude at the nest. For the first time, just now, he made a determined--though unsuccessful--effort to feed one of the chicks with a large lump of soft food. Crumbling defeated him. B's inspections 12:45 (Temp. 71). The regular routine goes on as usual at the new nest, but B has practically ceased his inspection of ants. I am somewhat at a loss as to the next step. The young seem vigorous and contented and there is no evidence of fouling of the nest. B approves my feeding them. 1:30 P.M. B sat behind the young birds on the edge of the nest facing me and watched me give them soft-food without trying to inter- fer in the slightest. His expression was bright and interested. His part was to pick up the crumbs. Whenever I offered him a share, he took it, but made no effort to feed the young birds, except with worms. 4:05 P.M. (Temp. 68). After renewing the strips of tanglefoot and installing the new nest, the ants ceased to cause trouble. Brownie stopped his inspection and, about 3:20, considered it safe to go to the glade where Greenie already was. In the meantime I had rigged up a sort of syringe, using a glass tube in which was fit- ted a piston retracted by a spring. By filling this with soft food and pressing the rod attached to the piston a cylindrically shaped to any desired length and about 1/4 inch (6mm.) diameter. core of food is forced out. This enables me to put the food down the gullets of the chicks and keeps Brownie from intercepting it. He Feeding device. B approves (?) accepts the arrangement philosophically, in fact will take food from it himself. It was after feeding them with this appliance and permitting B to follow up with worms, that he decided to take a short vacation in the glade, where his spirits rapidly recovered, so that he sang a little. B recovers spirits and sings. Losing interest? 5:20 Just fed the youngsters with the squirt gun. B watched interestedly, but when I offered him worms to top off with, he ate them all himself and seemed anxious to get away. When G arrived