48 THE O. & O. SEMI-ANNUAL. 
WanTED.—Sets of most any of the Warblers with nest, from No. 
-4 to 114. Can give in exchange Owls,’ Hawks,’ Ducks’ and Geese, 
besides many others. Send list with wants. 
H. W. Davis, North Granville, N: Y. 
1 will exchange a set of interior department stamps for the best 
offer of eggs received within 30 days. 
Joun OLpFIELD, Norton, Mass. 
Will exchange “Princeton Review” for 1883, “Wonders of Sea & 
Land,” “Braden & Kelley Debate on Mormonism and Disciple 
Church,” and other books for back numbers of the “Auk,” or papers 
and books on Natural History. 
J. M. Kecx, Chardon, Ohio. 
I have the following sets to exchange: Blue-gray Gnatcatcher, 
Carolina Tit, Scarlet Tanager, Summer Redbird, Ruby-throated Hum- 
mingbird, Piping Plover, Willet and others. I want sets of Nos. 
25,305 475 505 54, 50; 00, 0210341175, SiGh oon Oly.) EO le aur minima 
139, 148, 155, 159, LOS, 170, 1S2) 1984) 242 be) 5) 2A OZ aieeZOr 
261, 262, 272, 275, 278b, 287, 303, 313, 320, 325% 337, 336, 338, 
340, 341, 430, 432, 442, 443. 459, 464, 480, 4808. 480b, 482, 487, 
A494, 555, 505, 567, 569, 572 and 574. Send list of what you have 
and state what you wish in exchange. 
H. C. CaMpBELL, Lansingburgh, Rens. Co., N. Y. 
Have a few nice sets of one egg each of Sooty, Bridled and Noddy 
Tern ; with full date for others. 
H. W. Davis, North Granville, N. Y. 
Wanted for cash or in exchange any of the following: birds’ eggs 
and skins, minerals, coins, fossils, butterflies, bugs, spiders and any- 
thing in the way of collections. 
Cuas. Hartt, 1746 Roscoe St., Lake View, IIl. 
For Vol. 1 complete of the “Hawkeye O. & O.” I will give a set of 
552 1-3, 687 1-2 and 723 1-1 with data. 
C. O. TRowprincE, Framingham, Mass. 
First-class eggs, single and in sets, to exchange for same. 
Cuas. E. Cram, Davenport, Iowa. 
