REPORT OF NATIONAL MUSEUM, 1919. 117 



uses of a number of native American plants, space in exhibit cases 

 for specimens and products of potatoes, peanuts, corn, and beans 

 ■was provided. 



The scarcity of fats and oils for food purposes called for the 

 preparation of exhibits pointing out neglected sources of supply of 

 this necessary class of foods. In addition to the transfer from the 

 Department of Agriculture and the United States Food Administra- 

 tion of 149 samples of food products, models of fruits and vege- 

 tables, photographs and charts, specimens of food products were 

 contributed by the following firms : 



J. B. Worth Co., Petersburg, Virginia, commercial varieties of 

 raw peanuts; the Hauck Food Products Corporation, Kingston, 

 New York, samples of peanut oil, peanut oil foots and grease; 

 Beech-Xut Packing Co., Canajoharie, New York, peanut butter; 

 the Soj'-Lac Food Products Co., London, Ontario, soy bean prod- 

 ucts; California Associated Eaisin Co., Fresno, California, raisin 

 seed products; Boyer Oil Co., New York City, commercial oil seeds; 

 The Southern Cotton Oil Co., New Orleans, Louisiana, samples of 

 cottonseed oil; Essenkay Products Co., Chicago, Illinois, rubber sub- 

 stitute articles made from vulcanized corn oil. 



The most important accessions of miscellaneous exhibit material 

 derived from animal and vegetable sources received during the year, 

 were a collection of industrial oils from Spencer Kellogg & Sons 

 (Inc.), Buffalo, New York; chemicals used in the production of cellu- 

 lose acetate from raw cotton, contributed by the Chemical Company 

 of America, New York City; a series of specimens showing the by- 

 products obtained in the production of oil from cotton seed, a 

 gift from the Southern Cotton Oil Co., New Orleans, Louisiana; 

 a rubber poncho made in Guatemala and coated with pure "Ule" 

 gum, the gift of Mr. Wilson Popenoe, Washington, District of 

 Columbia; and a series of twenty-nine specimens illustrating the 

 manufacture of casein glue for waterproofing aircraft, which was 

 transferred from the DepartmxCnt of Agriculture. 



IB. Work on the collections and sfeciaZ researches. — At the begin- 

 ning of the fiscal year an extensive exhibit illustrating the produc- 

 tion, classification, and conservation of foods was undertaken at the 

 request of the Food Administration, under the direction of the 

 curator of textiles. 



The rotunda in the Arts and Industries Building was temporarily 

 assigned for this special exhibit to show the classification, use, and 

 conservation of foods. This was opened to the public on November 1, 

 1918, and attracted a great deal of attention. After the closing of the 

 activities of the LTnited States Food Administration, the exhibit was 

 moved to another hall. 



