CONTENTS. 5 



Department Bulletin No. 856. — Currant-grape Growing : A Promising 



New Industry — Continued. Page. 



Ringing the vines 10 



Congeniality of the Panariti variety to phylloxera-resistant stocks 12 



Harvesting and curing currants 15 



Department Bulletin No. 857. — A Modified Boerner Sampler : 



Introduction 1 1 



Description 4 



Operation 6 



Care of the device 8 



How to obtain the sampler 8 



Department Bulletin No. S5S. — Requirements and Cost of Producing 

 Market Milk in Northwestern Indiana: 



Character and scope of the work 1 



Methods used in obtaining the data 2 



Description of herds 4 



Requirements for producing 100 pounds of milk 6 



Requirements for keeping a cow one year 8 



Requirements for keeping a bull 9 



Summary statement of costs for the two years, by seasons 10 



Determination of bulk line cost 15 



Percentage comparison of factors in milk production 15 



Factors involved in the cost of producing milk 19 



Presentation of results by months, seasons, and years 27 



Summary , — 30 



Department Bulletin No. S59. — The Process of Ripening in the 

 Tomato, Considered Especially from the Commercial Standpoint : 



Shipments of early tomatoes to northern markets 1 



Growing and handling tomatoes in the field 3 



Packing and shipping operations 4 



Previous chemical investigations of the tomato 7 



Experimental material 13 



Methods of analysis 15 



Analytical data concerning progressive changes in composition during 



ripening , 17 



Comparison of the composition of commercially picked tomatoes with 



' turning and vine-ripened fruit 21 



Effect of lack of ventilation on ripening 24 



Summary and conclusions 30 



Literature cited 32 



Appendix. — Comparison of the composition of " puffy " and normal 



Livingston Globe tomatoes 37 



Department Bulletin No. 860. — The Organization of Cooperative 

 Grain Elevator Companies : 



Introduction . 1 



Forms of organization 2 



Joint stock companies 2 



Ordinary private corporations 3 



The cooperative form 4 



Making preliminary survey 5 



Local conditions 5 



Prospective membership 6 



Capital 6 



Volume of trade 7 



Method of survey , 7 



Organization 8 



Organization meeting 8 



By-laws 9 



Stock subscription and membership 21 



Incorporation 22 



Meeting of incorporators 23 



