THE 00L0QI8T 



WANTED ^ — ■Ornithological publica- 

 tions; Bird Lore, Vol. I, 3-4 index; II, 

 1; III, 1-2-3; VII, 1; X, 6-index. Warb- 

 ler, 1st series complete. Wilson Bulle- 

 tin complete; Vols. Birds of Eastern 

 North America, Maynard; Birds of On- 

 tario, 2nd edition, Mcllwraith. For Ex- 

 change or sale: Economic Value of 

 Predaceous Birds etc., A. K. Fisher, 3 

 col. pi. by Fuertes, 1908. Fifty Com- 

 mon Birds of Farm and Orchard, Hen- 

 shaw, 50 col. pi. by Fuertes, 1913. 

 Hawks and Owls from the Standpoint 

 of the Farmer. A. K. Fisher, ill. 3 pi. 

 by Ridgway, 1895; Birds as Weed De- 

 stroyers, Judd, ill. 1 pi. by Ridgway, 

 1898. H. H. Johnson, Pittsfield, Maine. 



WANTED — A good pair, each of 

 Black and Yellow Rails for which I 

 will give good exchange. O. C. HAST- 

 INGS, 207 Denver Ave., Bridgeport, 

 Conn. 



WANTED — First Class sets from re- 

 liable collectors. Especially sets con- 

 taining Cowbird eggs. G. B. REGAR, 

 1000 Chestnut St., Philadelphia, Pa. 



ALL PERSONS having A-1 skins In 

 pairs of any of the North American 

 Jays send list. I will pay the highest 

 price for those that I need. R. M. 

 BARNES, Lacon, 111. 



THE 



"Blue-Bird" 



Is now published monthly, the 

 year 'round, with new and inter- 

 esting departments, features and 

 contests, and 



At No Additional Cost to 

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Official Organ of ttie Cleveland Bird 

 Lovers' Association. 



SEND 20 OTS. FOR SAMPLE COPY 



Annual SulMcription, $2.00 



AGENTS WANTED EVERYWHERE 



"THE BLUE-BIRD," 



1010 Euclid Ave. 



CLEVELAND, OHIO 



1921 



CPRING is now here and the Collecting Season 

 is now on. Let every reader on "The Oolo- 

 gist" select some young man, who would be inter- 

 ested, and send us his name and we will be glad 

 to forward him sample copies of "The Oologist." 



THE OOLOGIST 



