29 UPTON, MAINE 1872 June 2 - 14 by June 3 we took a fully formed egg but without the shell from a ♀ and a little later judging from the bare corrigated skin on the breast and abdomen of several individuals of the same sex, they were all incubating; thus they must be nearly the first warbler to breed in this region. 10. D. aestiva. Very rare: a single pair among the plum trees in the garden June 4. Did not detect it anywhere on the road up though it was observed at Bethel last year by Mr. May- nard. 11. Myiodiactes pusillus. Saw perhaps half a dozen specimens during the first of our stay: they frequented the brush heaps and thickets along the wood edges and had all disappeared by the 5th. Pyrranga rubra. Heard a single specimen a mile or two north of the notch. 12. Vireo Philadelphicus. Three specimens were taken, all fe- males. The first was shot by Mr. Deane June 3 from the top of a tall beech tree and was silent: the next day he secured an- other in a thicket of firs and heard it distinctly utter a rather Sylvicolim chirp. June 5th I was so fortunate as to fall in with the 3rd individual and watched it for several moments before shooting: it was in a small birch tree growing in a fir grove, and looked extremely small: in its motions it resembled the rest of the species but was even more slow and deliberate than any of them, hopping heavily down from one branch to an- other: I was quite certain that I heard the chirp described.