^ GOOV FIELD GLASS 



The BEST for Bird Study and * 



Equally Good for 

 Mountain, Sea Shore or Opera 



ONLY S5.00 



These glasses are well made and espec- 

 ially adapted for the use of the bird stu- 

 dent as they give about twice the field 

 of vision of ordinary ones and magnify 

 nearly four diameters: 



They are in good strong leather case, 

 silk lined. 



Remember, you can have them free by getting only ten subscriptions for 

 our magazine at $1.00 each. Or if you prefer we will send you a pair prepaid 

 on receipt of $.5.00. Try them a week and if not perfectly satisfactory return 

 them to us and we will refund the $5.00. Is not that fair? 



The Glass and Color Key to N. A. Birds by F. M. Chapman $6.50 



The Glass and North American Birds Eggs by C. A. Reed. 6.50 



The Glass and both Books 8.00 



COLOR KEY 



„«5J North American Birds 



By FRANK M. CHAPMAN 



WV'^^rieL ^ complete bird dictionary, with upwards of 800 



'lism/ drawings in colors so arranged that one may learn a 



W/ff^lf//i m bird's name with the least possible difficulty. In no 



other book has the problem of identification been so 



V //il/w simplified. The book is equally useful ]in any part of 



the country from the Atlantic to the Pacific. 312 pages, 



'/ ' cloth, $2.50. Postpaid. 



North American Birds Eggs 



By CHESTER A. REED, B. S. 



A complete illustrated book of all eggs. It gives -^^ '^ ~\l^<' 



the habitat and breeding range of each species; loca- /'^ ^. W'" ^ ■ ^ 

 tion and construction of the nest; time of nesting; [ ^ 

 number, description and variation of eggs laid; with 

 a full sized illustration of the egg of nearly every 

 species, and a large number of full-page illustrations 

 of nesting sites. 360 pages, cloth, $2.50. Postpaid. 



Both of above books and the American Bird Magazine for one year for $5.00. 

 CHAS. K. REED, WORCESTER, MASS. 



