Thoreau writes in his journal:
Vide at Cambridge, apparently in prime, Silene inflata; also, in a rich grass-field on Sacramento Street, what may be Turritis glabra (?), also in prime, the last three or four feet high. Both pressed. Talked with Mr. Bryant at the Natural History Rooms . . .
Boston, Mass. Thoreau checks out British oology, being illustrations of British birds by William Chapman Hewitson, volumes 1 and 2 from the Boston Society of Natural History (Emerson Society Quarterly no. 24 (March 1952):26).
