not to see it, but now and then casting sidelong glances at it. (The lizard "plays 'possum invariably, which supports Rhody's game). When and if the lizard bolts, R is after it like a flash. If it does not, he incites it to such action by pick- ing up by a foot or the tail. This may go on in- definitely and the bird may actually abandon it without eating it or killing it even; though he he usually eats it. (This "play" is much intensified during the season when R is not hunting for a mate , not needing it for young, and not staying for such long periods in his roost). Thus now it is not so much in evidence. In the other seasons it is either used as a lure for a prospective mate, given to her, or fed to the young). (4). What does Rhody do after this? (Still bearing in mind: under present conditions). At present, and for a few weeks past, this bulky food, in contradistinction to meal worms, has usually been offered after noon, generally, though not always, about 1:15 to 1:30, this being considered advisable due to the fact that he may now go to roost as early as 1:30. If his intention is to go to roost soon after this meal, he dusts and gradually works toward the "ladder tree" through which he climbs then jumps across the intervening space to his roost. Otherwise he returns to his post or to tree 9 until just before his contemplated roosting time, whatever it may be, then dusts and completes the calling-feeding-loafing-roosting cycle for the day. Now going back to the responses d,e,f and g: These have already appeared many times in the notes and been described. I do not know what incentive lies back of them or what their pur- pose may be. (d) The rattle-boo. A very human-like boo', like that of a child trying , in play, to frighten somebody, but combined with a rattling od the beak. It seems to be, at any given time, one of the following; according to circumstances. A greeting, a contact call, a warning, an alarm call, a summons (as to a mate), an intimidation act, an expression of surprise, fear or perhaps pleasure or anger. A sort of "omibus" call, not at all unpleasant and varied in intensity. (e) Thus far, as made by Rhody, a greeting or call for recognition or for food and only heard addressed to me and no other living creature. When brooding his young and he saw me ap- proaching he kept it up until I handed him something to give the babies. It is a sort of mew like a kitten's or a whine, thin and of little volume, two toned-slightly dissonant-but pleasing; has a pleading quality--and that may be the motive back of it. (f) Opening and closing bill and swallowing movements. Instigated by the sight of food or the food bearer. In terms of the comparative psychologist (to depart momentarily from the policy of this memorandum) perhaps an example of the conditioned salivary reflex of Pavlov . (g) The "circus" of which numerous examples given in these notes. A ridiculous tearing about through and around bushes and other objects in loops and other complicated curves, with spread wings and tail, theatrical gestures, peek-a-boo's with imaginary colleagues on the other side of an obstacle, raised crest, display colors, with or without sonorous rattle-boos and general irrespon- sible behavior, perhaps play, or exhibitionism or exuberation of