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SANTHOXYLOM HAMILTONIANUM Wall* Tez-moora. 
The roots of this plant, whioh grows profusely in Assam, were used 
as a fish poison* In the laboratory a boiled fresh solution of the 
roots killed mosquito larvae in 7 minutes* In field experiments all 
larvae were killed in a very short time in dilutions up to 1 in 50* 
The larvicidal action is due to a saponin*— Mans on ( 265 )* 
ZANTHQXYLUM PIPERITUM DC* Japanese p pper* 
The upper layer of a pyrethrum extract, mixed with creosote or 
camphor oil, paradichlorobenzene, and the seed oil of this plant, was 
used as an insecticide*— Akita (38)* 
SALICACEAB 
(Willow Family) 
POPULUS 8p* , probably candioans Ait* Balm-of-Gilead* 
Acetone extracts of the buds of this tree killed 95 percent of the 
mosquito larvae tested. There appeared to be no correlation between 
resistance to insect attack and toxicity to mosquito larvae*— Hart ze 11 
and Wilcoxon ( 188 ) • 
POPULUS NIGRA L. Black poplar* 
Extracts were not repellent to the Japanese beetle*— Metzger and 
Grant (277), 
SALIX NIGRA Marsh* Black willow* 
Extracts of the bark killed only 5 percent of the mosquito larvae 
tested*- Hartzell and Wilcoxon (188 )* 
SANTALACEAB 
(Sandalwood family) 
COMANDRA UMBSLLATA (L.) Nutt* Comandra* 
Extracts from the entire plant were repellent to the Japanese 
beetle*- Metzger and Grant ( 277) * 
SANTALUM ALBUM L* Sandalwood* 
Oil of sandalwood was of no value as a repellent or attraotant to 
the sorewwornu— Perm an and coworkers (302) • 
Oil of sandalwood was usually repellent to cockroaches ( Blatta 
orientalis L.) .— Cole (lOl), 
