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The index is printed on cards 2 by 5 inches in size. Each index card contains an 

 appropriate title, the author of the article, a référence to the publication in vvhich it appea- 

 red and to the Experiment Station Record in which an abstract of the article may be found, 

 and a condensed statement of its contents. At the upper right-hand corner of the card is 

 a number indicating under vvaht heading the card should be placed in the index. The order 

 in which the cards are printed is indicated at thelowerleft-handcorner.lt is designed that 

 the cards schould be arranged in alphabetical and chronological order under the final sub- 

 divisions of the index. 



One copy of the index is sent without charge to each of the agricultural collèges and 

 experiment stations and to several of the State bords and commissions of agriculture. 



Besides this free distribution, the Office is prepared, under authority of the law, to 

 furnish a limited number of complète sets of the index at the price of S 2 per thousand 

 cards. For the division cards an additional charge of $ 1.25 is made. Sets of division cards 

 and 30,200 index cards, bringing the index up, approximately, to September 1, 1909, arc 

 available, and one of thèse sets will be sent to any address upon r'eceipt of S 61.65. Sub- 

 scribers are also informed when each successive lot of 1,000 cards is ready for distribution. 

 About 1,000 cards are required for the station publications issued each year. Only 270 copies 

 of the index are printed. 



On account of the increasing demandfor separate divisions of the index, arrangements hâve 

 been made for reprinting certain divisions or parts of divisions. This Office is therefore prepared 

 to furnish a limited number of divisions of the index at a price only sufficieni to cover additional 

 cost ofprinting. Beginning January 1, 1910, the price will be increased to S 3 per thousand, with a 

 small additional charge for the colored division cards. 



A key to the index, containing the System of classification, is sent on application. 



Pavments should be made in advance by United States money order in favor of. A. 

 Zappone, Disbursing Officer, but, like ail other communications relating to the index, should 

 be forwarded in envelopes addressed to the Director of the Office of Experiment Stations. 



RespectfuUy submitted. 



Approved: 



James Wilson, A. C. True, 



Secretary of A griculture. Director. 



Washington, D. C, November 1, 1909. 



