When I offered him the second one, holding it just above some meat in a dish, he came and took it promptly in preference to the meat, but finally rejected it as he did the first, then came and took the meat, finally walking off and leaving the mice lying on the ground. Neither mouse could, perhaps, properly be called carrion, though they were undoubtedly stale, no attempt purposely having been made to keep them fresh. Previous to this Rhody had been tested on death mice kept for several days at a low temperature and he had not refused them at any time. August 17th. Archie's bill. During the day the tip of Archie's bill gradually worked looser and by 5 P.M. had turned up almost at right angles to the upper man- dible, standing up like the horn of a rhinoceros. He was unable to handle even a small mouse unless it had been previously stunned. However, he could catch flies and yellow-jackets, sow bugs and one centipede. The horny part is cracked all the way around and all that seems to be holding it on is some sort of tissue between the "roof" inside and the horny envelope. I expect this tip to break off very soon. I suppose it is living tissue and will be replaced somehow. August 18th. At 8:30 A.M. it was noted that the tip had come entirely off of Archie's bill. It could not be found. The bill at present (9:30 A.M.) looks as below: The small, pointed projection from the "core" of the upper mandible, shown above, looks like the tip of his tongue, but it is not. It is of a greyish, neutral color and seems to be free of the horny portion at the point of emergence. 10:30 A.M. Brownie has been very vocal since before sunrise, singing full song frequently and calling other thrashers. He has