The Warblers in Color. 



Bird-Lore begins in its De- 

 cember issue, the publication 

 of a series of beautifully 

 colored plates, accurately 

 representing all the plum- 

 ages of North American "War- 

 blers. 



This number, with a Christ- 

 mas card of a before unpub- 

 lished view of John Bur- 

 roughs" Cabin, " Slabsides," will be sent free to all subscribers to Vol. 

 VI, 1904, of this magazine. Or, on receipt of one dollar, we will send 

 the magazine and the card inscribed with your name as donor of Bird- 

 Lore for 1904, in time to be received as 



A CHRISTMAS PRESENT. 



20 Cents a Number. l.OO a Year. 



Published for the Audubon Societies by 



66 FIFTH AVENUE 



NEW YORK CITY 



THE mgCnilLLflN CO., 



lai MINERAL COLLECTOR. 



PUBLISHED MONTHLY. $1 A YEAR. 



The only magazine in the country devoted entirely to Mineralogy. 

 Now in its seventh year. Send 10 cents in stamps for sample copy. 

 Exchange page free to Subscribers. 



The Mineral Collector, '73 w. 65th st. New York aty 



( If you wish a few showy minerals for ornamental purposes or your 

 collection write us.) 



Mineral Calcareous Tufa 



Showing the organic inclusions interestingly. Specimens suitable for 

 collections. Prefer miscellaneous documentary or scientific publications 

 in exchange. Prompt response to all communications. 



JOSEPH N. PROKES, Box 352, Jackson, Minncsot a 



