same difference as existed between them at the first weighing-- a surprising result. At first weighing T weighed 75% of A and has maintained that relationship, increasing 50% in weight against A's increase of 50 % also. However, A's increase was 116 grams against T's of 87. These notes record the impression that T has been overtaking A in growth, but such is not the case, as far as weight is concerned. July 15th. Rhody resumes spring song. During my absence Dr. Reynolds heard Rhody (or another R.R.) coo in Dimond Canyon. This morning he was heard cooing here about 7:30. He is now, 9:30 A.M., up to his spring-time courting stunt of cooing from the roof of this house, his voice coming out of the fireplace in this room. (At this time last year he was in jail, but his singing had ceased some time before his incarceration). It would seem as if he wanted to take up house-keeping again. 10:05. R is now singing "in" the living room fire place. He sang at intervals all the morning. July 16th. and 17th. Rhody sang here occasionally on the 16th. He visits the cage frequently, sometimes not taking food there, but never failing to play, or whatever it is, with the young birds on the other side of the wire, with posturings, honks, quirhs and rattle-boos. R refuses quail eggs. He was tested with two unhatched quail eggs which were infertile but fresh in odor, as determined by chipping the shells slightly. He would have nothing to do with them . B sings sub- song for long periods. Brownie, although looking as if his stuffing were coming out, indulges in undersong for long periods. July 19th. Rhody and youngsters. I am unable to determine what underlies the outward attitude of these birds toward each other--or rather between R and