BIRD = LORE 



Is a journal for students 

 of living birds. 



$1.00 A YEAR 20 CENT A COPY 



Send for a Specimen Copy 



THE MACMILLAN COMPANY 



Crescent and flulberry Sts., liarrisburg, Pa. 



mi MINERAL COLLECTOR. 



PUBLISHED MONTHLY. $1 A YEAR. 



The ouly 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. asm 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, Minnesota 



