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346. .-• ••• 
1935. Insecticides and .fungicides. Indus, and Engin. Chen. 
27: 530-532. 
347. 
1935. Pyrethrum, derris, cube. Codling Moth Conference,- Urbrma, 
111., February 26, 27, 1935, pp. 16-17, mineo. 
348. 
1936. Lonchocarpus species (barbasco, cube, haiari, nekoe, and 
timbo) used as insecticides, U. S. Dept. Agr., Bur. 
Ent. and Plant Quarantine, E-367, 133 pp., mimeo. 
349 . 
1936. Complete information on cube and related plants. 
U. S. Dept. Agr., Bur. Ent. and Plant Quarantine ..News 
Letter 3(5): 24, mimeo. 
350. 
1937. Tephrosia as an insecticide — A review of the literature., 
U. S. Dept. Agr. , Bur. Ent. and Plant Quarantine, 
E-402, 165pp., mimeo. 
351. 
1937. New publication on Tephrosia. U. S. Dept. Agr., Bur. 
Ent. and Plant Quarantine News Letter 4 (5): 30, mimeo. 
352. 
1938. Derris versus cube — Is cube equal to derris as an 
insecticide? Soap 14 (l): 111-113, 120. 
353. 
1938. Is cube equal to derris as an insecticide? U. S. Dept. 
Agr., Bur. Ent. and PI. Quarantine News Letter 5 (3): 23, 
mimeo. 
354. and 3USBEY, R. L. 
1936. A third index of patented mothproofing materials. 
U. S. Dept. Agr., Bur. Ent. and Plant Quarantine. 
104 pp . , mimeo . 
355. ROBIN, P. 
1935. Les poudres vegetales dans la lutte contre le doryphore, 
Rev. Path. Veg. et Ent. Agr. 22: 288-297. 
356. ROBINSON, L. A. 
1936. Note on the estimation of rotenone in British Guiana 
haiaris. Brit. Guiana Agr. Jour. 7: 191-192. 
357. ROBINSON, R. H. 
1935. Sprays, their preparation and use. Oreg. Agr. Expt. 
Sta. Bull. 336, 29 pp. Corvallis. 
