Exchanges.
Two thousand square-cut post-marks, all different, in a neat book; also 1500 duplicates, for best offer in stone implements.—Laurie H. McNeill, Ch. 902, Mobile, Ala.
Correspondence with amateur egg-collectors desired. Iowa preferred.—Oscar Clute, Jr., Iowa City, Iowa.
American bird-skins and eggs (with data), for English. Also mounted microscopical pathological specimens. Lists exchanged.—Wm. D. Grier, 49 Gloucester St., Boston, Mass.