- 394 - 
Nicotine was used in combination with arsenical s and fungicides, 
but the reviewer cannot tell what effect the nicotine had by referring 
to the table given. 
DRIGGERS, B. F., and PEPPER, 3. 3. (1585) 
1934. COMPARATIVE TESTS OF ARSENICALS, ARSENICALS T7ITH OIL AND SEVERAL 
NICOTINE COMPOUNDS USED AGAINST THE CODLING MOTH. Jour. Econ. Snt . 
26: 249-258. 
The results show clearly that nicotine tannate when used with 
bent onite- sulphur gave a better control of codling moth than any of the 
other materials used. The data also indicate that nicotine tannate 
alone is not so -effective as nicotine tannate with bentonite-sulphur. 
Nicotine sulphate with bentonite, nicotine sulphate with bentonite- 
sulphur, a half charge of nicotine tannate with oil and nicotine sul- 
phate with oil all produced more clean fruit than either the standard 
lead arsenate or load arsenate with summer oil (p. 257) . 
and PEPPER, B. B. (1587) 
1934. BENTONITE COMPOUNDS AS AGENTS FOR THE RETENTION OF NICOTINE ON 
APPLE FOLIAGE AND FRUIT IN CODLING MOTH CONTROL. Jour. Scon. Snt. 
27(2): 432-440. 
Their conclusions are: (1) Bentonite-sulphur "fixes" and (or) 
"sticks" the nicotine of nicotine tannate and nicotine sulphate to the 
foliage of apple more firmly then when these two nicotine compounds are 
used alone; (2) By retaining the nicotine in larger amounts and over a 
longer period of time bentonite-sulphur when used with relatively un- 
stable nicotine compounds prolongs the toxicity of these compounds to 
codling moth larvae, and, therefore, increases the efficiency of these 
compounds when used as a control for codling moth (p. 440). 
FLINT, n. p. (1680) 
1934. CODLING MOTH CONTROL BY THE USE OF INSECTICIDES IN MICHIGAN, OHIO, 
INDIANA AND ILLINOIS. Jour. Econ. Ent. 27: 141-143. 
In Michigan, when an equal number of applications of lead 
arsenate, oil~nicoti:ie, and nicotine tannate were made, the lead 
arsenate was superior; but with an increased number of applications 
the nicotine-oil combinations approached the percentages of control 
obtained with lead arsenate. Nicotine tanna.te was no better than 
oil-nicotine . 
In Ohio, oil-nicotine was very close to lead arsenate in ef- 
ficiency. In Indiana, nicotine tannate gave satisfactory control but 
with moderate to severe injury on VTlnesaps and Jonathan and caused 
considerable discomfort to the men applying it. 
In Illinois, the oil-nicotine combinations gave inferior con- 
trol when used in second brood tests unless the number of applications 
was increased over those of lead arsenate. 
