me 4 Be 
WHERE CERTAIN INSECTICIDAL MATERIALS MAY BE OBTAINED 
he list of dealers of certain insecticidal materials csiven below 
has been prepared by R. C. Roark, of the Insecticide and Fungicide Div- 
ision of the Bureau of Chemistry and Soils. It is presented for your 
information, but not as a complete list of dealers in these supplies, 
and without guarantee or endorsement of the firm or the quality of their 
products. 
Bentonite 
Jerome Alexander, 50 East ist St., New York, N. Y. 
American Colloid Co., Transportation Bldg., Chicago, Ill. 
Hevoon pnd Co,, S South Dearborn St., Chicago, Ill. 
a 4, Suerkie GCo., 1 N, Crawford Ave., Chicaro, Ill. 
Temms Silica Co,, 228 N, LaSalle St., Chicago, Ill. 
China Clay 
American Cyanamid & Chemical Corp., 555 Fifth Avenue, New York, N. Y. 
Beorles a, Gurystal Go.,.ince, ll Park Place, New York, N.Y, 
Hammill & Gillespie, Inc., 225 Broadway, New York, N, Y. 
meee, caooard Go., Inc., 599 Atlantic Ave., Boston, Mass, 
star Clay Corp., Reading, Pa. 
Cube and Cube Extracts 
Lawrence Bros., 432 Leavenvorth St., San Francisco, Calif, 
eit ae ure, we. Oe box 2500, Limo, Peru, 
Peruvian Cube Corp., Py 0. Box 809, Lina, Peru. 
R. ll. G. MacArthur, P. 0. Box 296, Paramarits, Dutch Guiana, S. A. 
R. Rumsey, &9 Front St., New York, HN. Y. 
McCormick and Co., Baltimore, Md. 
Sulphonatec Oils 
L. Sonneborn Sons, Inc., $68 Lexington Ave., New York, N. Y. 
Stendard Oil Co.. of California, 2c5 Bush St., San Francisco, Calif. 
Sun Oil Co., Philadelphia, Pa. 
Talc 
Arnold, Hoffman & Co., Providence, R. I. 
Binney & Smith Co., 41 East 42a St., New York, HK. Y. 
peeries.B, Chrystal Co,, Inc., 11 Park Place, New York, N. Y. 
A. C. Drury & Co., Inc., 106 East Austin Ave., Chicago, Ill. 
F. N. Giavi, Inc., 96 North Moore St., New York, WN. Y. 
