March 14th. Few observations made, as it was necessary for me to be absent in connection with a suit where one of the parties requires certain information in petroleum technology. However, incubation was proceeding according to schedule, and the thrashers were silent, except for some interchange of calls when changing shift. March 15th. The foregoing entry might well be duplicated, though, in addition, it was noted that there were still three eggs in the nest, B permitting me to feel underneath him, and eating worms freely. March 16th. Loud calls about 6:15 A.M. About 8:30 A.M. G was on the nest and would not take worms. B did not show up until nearly ten, at which time his scrapping was heard approaching from the S.E. The last 2 or 3 scraps (khrick), very much softened, were uttered as he sat on my knee. As he swallowed worms, minute sounds, just audible at about 16 inches, were heard, as if the worms were not going down properly. However, it developed that these were voluntary sounds which he expanded into the approach call, then headed for the nest with a worm, Greenie calling loudly for him to hurry up. I got there first and offered G a worm before from the nest she got up, but B arriving at that moment, selfishly gobbled it, together with the one which he had carried up. There were still 3 eggs after 15 completed days of incubation. (While waiting for B to come, a Hermit Thrush, repeatedly came to me waiting for worms to be tossed to him, which he took at about a yard from me. A Ruby-crowned Kinglet also approached to within 2 feet of a worm held in my hand, but would not come closer). March 17th. No early morning song heard. A little before 8 G was on the nest. I did not disturb her, in order to ascertain whether the expected youngster had appeared, and B did