ed to follow--willy-nilly--by immutable laws ordained at a time when chaos was beginning to show the first hopeful signs of possible convertibility into into an elementary precursor of cosmos. However this may be, I get more fun out of it by regarding the birds as little people of whom to make friends. These notes record certain indubitable (within human limitations) facts which can easily be sifted out of the amateurish speculations also contained in them by any competent biologist--if worth while--so that there is no danger of overthrowing established knowledge by the appearance herein of ingenious heresies). August 19th. A's bill. The small, thin projection from the "core" of Archie's bill is getting shorter, larger in diameter and more rounded. There seems to be no infection present. Effect on Terry of A's injury. Perhaps to be expected, but worth noticing, is Terry's increased air of confidence in his dealings with A since the mis- hap. T no longer defers to the larger bird, in fact, is now slight- ly the aggressor. Since the tip came off I have seen him go up to Archie three times and deliberately touch the end of the sore bill -- not un gently. On these occasions A has retreated. He has also several times avoided T's approach. T today, also, stole two mice from Archie, A submitting tamely. Formerly the reverse action was the rule. reversal of roles. There seems to be also a tendency toward interchange of the attitude of the two birds toward things in general. Thus Terry is now the more active, inquisitive and assertive bird; Archie's trend being in the other direction, he has become more friendly and mild, if anything. However, A's technique in handling live mice is im- proving. Weights. The household scales have proved unreliable on account of excessive friction's rendering the zero point variable to the ex-