-192- 
Extraots of the different parts of the plants with atethyl alcohol, 
chloroform* ether, etc, were about 10 times as toxio to inseots as 
were the crude powders*— Subramani am (379 ) * 
This flsh-polson plant is found in India* A 5-peroent aleoholio 
extract of the stew bark killed 70 per sent of adult grasshoppers and 
a 6-peroent extract killed 80 percent of the oaterpillars tested in 24 
hours* Powder (l/8 percent) on water killed 80 to 100 percent of mos- 
quito larrae in 60 hours*— Puttarudriah nd Subramani am ( 311 )* 
PICRAMNTA PEWTANDRA Swart*. 
This plant was used as a general inseotioide in Haiti,— Roark ( 332 , 
p. 33)* 
PICRASMA HAPALENSIS Benn. 
Powdered leaves and twigs of this plant were used to kill mosquito 
larrae in Assam. India*— Chopra and Badhwar (98)* 
PICRASMA QUASSIOIDES (Ham*) Bennett* Synonyms: P* ailanthoides Planoh.i 
Wima quassloides Ham* 
A decoction of the bark was used to kill lioe*— Oreshoff (170 . 
p. 30). 
This speoies possesses insect! oidal properties*— Lyons (248 , p* 356) 
QUASSIA AMARA L* Surinam quassia* 
This speoies has been largely replaoed in use by the Jamaica 
qurfssia, which ooours in much greater abundance*— Busbey (75) • 
SAMADERA INDICA Gaertn. 
This plant is listed as an inseotioide*— Greshof f ( 170 , p* 30)* 
SIMARUBA VESI COLOR St* Hill, 
The bark reduoed to a powder was used as an inseotioide.— Baroellos 
Pagundes (51). 
SMILACACEAB 
(Smilax Family) 
SMILAX BOHA-HOX L* Synonymt 8* tamnoldes L* Bamboo brier* 
Extracts of the roots killed only 30 peroent of the mosquito lar- 
rae tested.— Hart sell and Wilooxon (188)* 
