IV 



THE OOLOGIST 



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A Princely Christmas Present g 

 To Every Bird Lover § 



After years of preparation a new study of our native birds and 

 animals has appeared, marking an epoch in this literature. Both in 

 text and picture it is satisfying and authoritative. Every bird lover 

 will want it the minute he sees it. 



"The Book of a Thousand Birds" 



Not since Audubon prepared his pioneer "Birds of America" has 

 a work of such importance appeared. It is the final result of a con- 

 certed effort begun many months ago, on the part of foremost orni- 

 thologists, field observers, and artists, to make a complete record of 

 our native birds. Their completed work — the new BIRDS OF AMER- 

 ICA — is the first story of our feathered life to include them all. 



T. Gilbert Pearson 



Is editor-in-chief; JOHN BURROUGHS is consulting editor; and 

 back of them are a score of naturalists of like calibre — such men as 

 E. H. Forbush, State Ornithologist of Massachusetts, W. L. Finley, 

 State Biologist of Oregon, Herbert K. Job, Bruce Horsfall, R. I. 

 Brasher, and others. 



Wonderfully Beautiful Color Plates 



In addition to a wealth of field pictures and drawings, the value of 

 this work is heightened by the inclusion of over 300 color pictures 

 of our native birds, and over 100 eggs in natural colors. This is recog- 

 nized as the most important series of bird studies ever made. It 

 brings into the pages a constant glow of beauty and delight. 



MAMMALS OF AMERICA 



Another section of this library describes and' pictures our native 

 mammals in the same comprehensive way. The editor-in-chief of this 

 section is H. E. Anthony of the American Museum of Natural History. 

 Over 500 species are included, with wonderful field pictures. 

 COMPLETE SET SENT FREE FOR EXAMINATION 



No printed description could give you an adequate idea of their 

 beauty. And so we want to send you the complete set at our 

 expense. Just write your name on the blank below- — or a letter will 

 do. But write promptly as the, first edition will soon be exhausted, and 

 then the special introductory price must be advanced. 



NSPECTION BLANK 



Nature Lovers League of America, Inc., 

 44 East 23d Street, New York 

 I wish to inspect at your expense the four volume Library of Birds 

 and Mammals of America. If satisfactory I will pay you $1 down and 

 $2 a month until the special introductory price of $19.50 is paid (or 

 $18 cash). If not, I shall return the books at your expense. 



Oo.l2-17 



Name „ Occupation 



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