THE ''MODERN*' DUPLICATOR will save you Time, Labor and Money 



The New (Clay Process) Modern Duplicator is Rapid, Durable. Clean. Inexpensive 

 and Odorless. It is the only Standard Duplicator and is being daily used by thousands 

 of School Superintendents, Principals and Teachers. Professional and Business Men. 



You simply write or draw any thing on ordinary paper, as if it were the only one 

 wanted. Put that one on the Duplicator and YOU CAN MAKE 50 to 75 DUPLICATE 

 COPIES OF IT. Erase the remaining negative from Duplicator, and it is immediate- 

 ly ready for another installment of the same or different duplicate copies. 

 Reasons Why You Should Adopt the "Modern" Duplicator 



Its inexpensiveness. Simplicity of operation. Always ready for use. It is super- 

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 WORK. 



The "Modern" Duplicator is made in four regular sizes as follows: No. 1 Note size, 



63^x10 ins.. $3.00: No. 2 Letter Size, 9x12 Ins.. $4. .50; No. 8 Cap Size, 10x15 ins.. $6.00: No. 



4 Folio Size. 12x18 ins.. $7.00. These prices include two bottles of copying ink (any 



colors). Leveler. Sponge and Directions for Operating and Directions for Refilling Tray. 



T. DURKIN, REEVES & CO., 339 Fifth Avenue, Pittsburg, Pa. 



FOR YOUR INSTITUTE OR CHAUTAUQUA 



Try Popular Nature Lectures and Nature-Study Short 

 Courses by Frank C Pellett 



W. C. WILCOX, Dean of the College of Liberal Arts, Iowa State U niver- 

 sity: It was my good fortune to see Mr. Frank C Pellett of Atlantic. Iowa, in his 

 Bee Demonstration before a large audience of teachers. I never witnessed a more 

 interesting illustration of the practical side of nature-study, and I have rarely seen a 

 company of teachers so thoroughly instructed and entertained by a number on an 

 institute program. 



CHARLOTTE DRYDEN, Supt. Pottawattamie County, Iowa, Schools: 

 Mr. Frank C. Pellett was instmctor in nature-study in the Pottawattamie institute 

 Auif. 29 to Sept. .3. l'.)10. His lectures were much enjoyed by all who heard them. His 

 great interest in his work and the original way in which he presents his subjects make 

 him a most desirable instructor and lecturer. 



Address FRANK C. PELLETT, Atlantic, Iowa 



Colored Lantern Slides 



Wild Birds and Bird Nests, unsurpassed in subject 



and treatment 

 Wild Flowers, habitat and specimens 

 Garden Plants, flowers and vegetables 

 Forest and Shade Xreefl 

 Forest Tree Blossoms and Fruits 

 Farm A.nimals 

 Children's Pets 



Highest Quality; Reasonable Prices 



Address A. C. G., Care of Nature-Study Review, Urbana, III. 



Kindly mention Nature-Study Review when writing to advertisers , 



