- 128 - 
(468) United States Bureau of Entomology and Plant Quarantine 
1949. The new insecticides for controlling external parasites 
of livestock. U. S. Bur. Ent. and Plant Quar. 2-762. 
(rev.), 25 pp. [Processed.] 
(U69) 
19^9. Japanese "beetle. Picture Sheet No. 4, (rev.) May. 
(470 ) 
19^9* Controlling the Japanese beetle. U. S. Dept. Agr. 
Farmers' Bui. 2004, 14 pp. 
(471) 
19^9. Brief recommendations for ant control. 1 p. [Processed.] 
(4 7 2) 
19^9. Brief recommendations for roach control. 1 p. 
[Processed,] 
(^73) United States Department of Agriculture Extension Service 
1948. Report of Regional Conference on livestock and crop 
pest control, Chicago, 111. June 24-26. 24 pp. 
[Processed.] 
(474) United States Production and Marketing Administration 
1949. Notice to manufacturers, registrants, and distributors 
of insecticides containing chlordane. U. S. Produc- 
tion and Marketing Adm. Livestock Branch, Insecti- 
cide Div. Leaflet, 1 p. May 12. 
(475) Velsicol Corporation 
1946. Methode de preparation d'une nouvelle composition de 
matiere et produit obtenu par cette methode. Belgian 
Patent No. 463,631; applied for Mar. 5, 19^6. 
(476) 
19^7. Perfectionnements relatifa a un procede de fabrication 
d'une nouvelle composition et produit resultant. 
French Patent No. 926,593; applied for Mar. 1, 1946; 
published Oct. 6, 1947. 
(477) 
1947* Neuvos insecticides const itudos por hexahalociclopenta- 
dieno condensado con un componente dienico. Argentine 
Patent No. 61,656, Nov. 18. 
(473) 
1950* Specifications - technical chlordane - /elsicol 1068. 
Form 93, 2 pp. April 1950. 
