(391) similar expressions on the part of its mate nearby. It is then a rather passive form of expressing comfort and here, also, verges upon "conversation". Sept. 14th. Morning song missing. Locate 4 thrashers in "Reynolds Ter- rity". Full song at close range. Full song imitations. Sung in fog. Failure to answer calls not proof that these birds were strangers. No early morning singing was heard and at 7:30 no thrashers were to be seen, so I went over to Dr. Reynolds' place to see if (?) Think) any could be located. I located four; None of them would come to me. One of them was an especially brilliant singer and allowed me to approach to within 25 feet of him, where I stopped to listen. He was in the open about 10 feet from the ground facing me. He sang continuously for about 10 minutes, then left unhurriedly. I tossed worms in front of him, but he disregarded them and no amount of coaxing had any effect on him. I do not think he was either of my birds^ He introduced two imitations, the flicker and the quail. I have not heard a finer thrasher song. Incidentally this was a fog- gy morning. This bird was south of the Reynolds' house, about 75 feet away. Two more were seen 100 feet north, but were indifferent to enticements. One had missing feathers in the middle of its tail, so was neither of mine. Another was singing in the bottom of the canyon to the East. As I returned to my own place one was heard scrapping at the Robinson's, but it may have been one already count- ed. Calling from the vicinity of the glade was followed by cessation of the scrapping and beginning of full song, seemingly on the part of the same bird; but no birds came. The fact that none of the birds seen would come to me does My birds not, of course, prove anything as to their identity. They are not used to seeing me anywhere except at my own place. Here I am a part of the surroundings and my actions are taken for granted. Elsewhere I am a part of the surroundings there, and in those surroundings my actions in offering food, etc. are not a part of the usual