1639 Rhody had one of the tiny mice about 8 o'clock. About 12:50 when I went out to size up the convention, then in the sparrow hawk pine area. Rhody spotted me and came running fast without being called. He wanted two of the small mice.(80°). After this he remembered the owl and went into the shop to look at it in the office next door. I took it down from the table and showed it to him. He stood his ground with raised crest, rattle- boomed once, then jumped up to the bench to watch a butterfly that was fluttering on the inside of the window glass. Tiring of this, he looked at "everything" in the shop from his position on the bench curiously. There is no doubt in my mind of his taking cognizance of objects unfamiliar to him even when they are not in motion . In about 5 minutes he turned and went out the door to look about the court. He spent much of the afternoon in his new acacia roost. On returning from an absence at 4:15 I found Rhody in the cage try- ing to get at the magpies with more than his accustomed earnestness, climbing up the wire, rattleboooing and making sounds like tearing heavy cloth (rapid bill-rattling). about 4:30 he came out and had another of the small mice. For some reason he was suspicious of some- thng toward the north and kept a lookout in that direction while on his way to roost. He continued this scrutiny at his first station from the ground for several minutes, then suddenly went through the other four (of which the last is the threshold of his house 2) in less than 3 seconds and plunked instantly into his bunk with tail spread against the wall; time, 4:57, temperature 69°. Neo was also present at 4:15, still singing. September 11th. (Sunrise 5:47; sunset 6:26). Thrashers singing in the fog. At 5:20 A.M. I was aroused from the "in between" state by the song of a thrasher, so loud that it seemed to be right in the room. A dense fog, which obscured all objects to the west beyond 200 yards, lay like a blanket below. This thrasher, instead of making his way east into the garden, as has been customary, plunged down into the fog blanket and his song there, with two others, contin- ued as I dozed off again. By 8 o'clock the sun was fully out and song could he heard from distant points, but not here. At 9 everything was quiet. Rhody dis- gorges a pellet. Yesterday afternoon I watched Rhody for a short time trying to disgorge a pellet unsuccessfully. This morning I found he had obligingly (as if to insure the competency of these records) left a fresh one on a flag-stone just outside this window. No other bird here casts pellets of black mouse hair. He had not been seen in the court this morning, but had been given a mouse by J at 8 o'clock. 11:10 A.M. Absolutely quiet as far as thrashers are concern- ed, at present; but preceded by a song period just ended. At about 9:50 song of a thrasher could be heard over at the Robinsons' (east). I stationed myself near the sage patch. Song (apparently of one bird only) ceased in a few minutes. Soon it was renewed behind me from the "chaparral" of the south bank--Neo's special domain. I advanced along the fence toward it. It shifted to my rear. This sort of thing was repeated several times. Final- ly I stood still and Neo came through his passageway in the fence and took worms tossed to him. He was all alone, so did no talking. After a good drink he climbed up his favored pine (Tree N) and began to sing loudly as I stood close by. He was answered almost immediately by an unseen thrasher in the shrubbery surrounding the