P« How riicotina kills, reactions, symptoms, minimum dosage, etc. 
1900-1934 r 2121-2179 
Q. Nicotine tannate and oleate, 1918-1934 _-_---_____ 2180-2202 
R. Oil emulsions and miscible oils combined with nicotine, 
1915-1934 s 2203-2268 
S. Nicotine dusts, (1908-1934) 
1. Kinds and early history, 1908-1924 2269-2281 
2. Preparations of dusts, dusting machinery, and principles 
involved, 1921-1932 2282-2347 
3. Against Homoptera (1921-1934) 
(a) Aphids, 1921-1934 . 2348-2403 
(b) Psyllids and leafhoppers, 1921-1934 2404-2421 
4. Against Heteroptera, 1921-1933 2422-2436 
5. Against Coleoptera, 1922-1933 -- 2437-2460 
6. Against Diptera, 1925-1933 ___ . 2451-2468 
7. Against Lepidoptera, 1922-1931 2469-2474 
8. Against thrips, springtails, and mites, 1921-1934 - - 2475-2497 
Index to section 3 
