3 50 ANNUAL EEPOKTS OF DEPARTMENT OF AGRICULTUKE. 



in previous years. The publications issued included .64 documents 

 aggregating 3,997 pages, as follows : Nineteen numbers of Experi- 

 ment Station Eecord, 2 reports, 6 technical bulletins (2 relating to 

 work in agricultural education and 4 to investigations in home eco- 

 nomics), 1 article in the Journal of Agricultural Research, 10 publi- 

 cations of the insular stations, 2 popular lectures (with lantern 

 slides), 20 documents relating to cooperative extension work in ag- 

 riculture and home economics, and 1 general administrative circular. 

 In addition to these more formal printed documents the service is- 

 sued either in printed or in mimeographed form a number of other 

 documents, including leaflets of various kinds, report forms, record 

 books, and the like, required in connection with special features of 

 the work of the service, and cooperated with the Office of Informa- 

 tion in the preparation of press and other informational material 

 of wider general interest relating especially to the promotion of in- 

 creased production, conservation, and economical use of food and the 

 organization and development of the cooperative extension w^ork. 



Illustrations section. This section was in charge of Eeuben 

 Brigham. There was a marked increase in the w^ork of the section 

 connected with the collection and preparation of illustrative mate- 

 rial for service use. An increased number of photographs taken 

 either by our own force or in cooperation with the Division of Pub- 

 lications was added to the collection, which now contains about 10,495 

 photographs, 7,826 of which are mounted, classified, and catalogued 

 for ready use. Over 1,500 new photographs were added to the collec- 

 tion during the year. 



The total number of lantern slides made was 15,253, of which 3,153 

 w^ere colored. The section organized several new series of lantern 

 slides for special purposes, particularly for the use of extension 

 specialists, county agents, or other workers cooperating or collaborat- 

 ing? with the service. It is developing in this way a flexible collection 

 of slides that may be adjusted to met a large variety of local needs 

 and conditions. The division continues to make a special feature of 

 lantern-slide color work with the result that it now has a considera- 

 ble collection of colored slides of unusually high quality. In addi- 

 tion to the coloring of lantern slides some attention is being given to 

 the coloring of bromide enlargements. 



The methods of handling the illustrative material, particularly 

 lantern slides, were also improved. There were lent during the year, 

 mainly to extension w^orkers and schools teaching agriculture, 1,346 

 sets aggregating' 67,300 slides. The demand for this service has in- 

 creased rapidly. 



Work in the preparation of charts and drawings for service use 

 progressed rapidly during the j^ear as a result of the emplo3^ment 

 of a competent artist to give full time to such work. 



The section cooperated with other offices of the service and with 

 the Office of Exhibits of the department in planning and preparing 

 a representative exhibit of the work of the service for use in con- 

 nection with the general department exhibit for State fair circuits. 

 The section also cooperated with other offices of the service and with 

 the assistant in charge of motion-picture activities in outlining and 

 staging two films illustrating cooperative extension work, one in 

 Florida, illustrating home-demonstration work in the South, and 



