B came, sat on the edge and they "talked" in silent pantomime. This nest is about 7 feet from the ground. On showing B the worm box, he immediately dropped down to my hand, ate worms, returned- ed to the rim of the nest without taking any to his mate or con- sidering, apparently, the youngster somewhere off in the bushes. Incubating shifts 2:30 P.M. The thrashers are maintaining regular shifts and prob- ably have at least one egg. They attend to the young bird as usual. The latter is beginning to follow Brownie to me. Band C away. Nothing further seen or heard of R or C during the day. April 24th. and 25th. R here early on the 24th. but not seen or heard again during this period. Continuous in- cubation. Thrashers incubating continuously and attending to the young one. April 26th. No Rhody. Up to 10 A.M. no Rhody. Young thrasher taming himself. The young thrasher now takes worms tossed to him whenever Brownie does not see it first and insist on getting it for him. Cat alarm. B's reaction. At 9:30 A.M. B and the youngster were with me near the old oak, B giving the latter a mixture of scalded soft food and ant "eggs". Suddenly B flattened himself with bill tail and back parallel to the ground, stared fixedly past me and uttered a suc- cession of very soft, interrogative queelicks, queelks, wheels, etc. I could see nothing behind me, even when I stood up. B then climbed the old oak rapidly, still talking, and looked off to the north, gradually turning his head toward the east. Search revealed the cause of his anxiety as a very handsome Persian cat in the long glass of the open field. As long as this animal remained in sight from B's post, B watched intently, a matter of perhaps 15 minutes. B sings, Nova answers from nest. B then began to sing and was answered by Nova from the nest at the oval lawn in her unique high-pitched voice--like that of no other