Things go on here much as usual, but I have not been in London since Xmas. The first volume, containing the Quadrupeds, of Dr. Richardson's work, is out. I am now busy in preparing the second, which contains the Birds. Let me particularly direct your attention to the manners of the Cedar Bird, Ampelis Americana. I suspect it feeds much on Insects in default of fruit, but what is desirable, is to know _the way_ in which it captures Insects, whether as a flycatcher i.e. by seizing them on the wing, or like the Gold crest—by picking them up among the branches or leaves. I am now in close correspondance with Charles Bonaparte, & a most valuble correspondant he is. Mrs. Swainson is just recovering from her confinement after giving me another little son I am happy today they are both going on well. Wilson I believe mentions _two_ birds very like the Red eyed Flycatcher, this is a point deserving your attention, but the _manners_ of these birds are much more important. I feel convinced there are several species of my Genus _Ammodramus_ shore finch, in the So. States, they all have narrow pointed tails, like the seasidefinch of Wilson. I further suspect there is more than one species confounded with the Towee Buntling. I hope soon again to hear more fully from you, and of your ornithological acquisitions. The dear little ones are quite well. Yours very sincerely, WM. SWAINSON THE GREEN _26 June 1829_. MR. JOHN J. AUDUBON care of Mess. THOMAS E. WALKER & CO. Merchants. New York [Philadelphia] On the 4th of July Audubon returned to Philadelphia and prepared for a longer sojourn in the Great Pine Forest, or Great Pine Swamp, as it was sometimes called, in Northumberland County, Pennsylvania. In this letter to his son we shall find an account of his plans and accomplishments: _Audubon to his son, Victor_ PHILADELPHIA, _July 5 th., 1829_. MY DEAR VICTOR:— I have been in America two months this day, and not a word from you have I had in answer to my several letters, dated New York, and at this place. I am also without answer from your Mama, but do not feel so surprised as I know that about 2 months is the time necessary to have a return from Louisiana. I have come to take your Mama over to England, if her wish inclines her to do so, and have wrote fully to her, giving her all the particulars respecting my situation that I thought could possibly be trusted to a letter.