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HABENARIA BLEPHARI GLOTTIS (Willd.) Torr. White fringe-orchid. 
Extracts were not repellent to the Japanese beetle.— Met zger and 
Grant (277). 
VANILLA PLANIFOLIA Andrews, Vanilla bean. 
Vanillin tested on a piece of cloth against the body louse killed 
only 20 percent within 120 hours.— Moore and Hirschfelder ( 285 , p. 54). 
OXALIDACEAE 
(Wood-Sorrel Family) 
OXALIS STRICTA L. Yellow wood-sorrel. 
Extracts were not repellent to the Japanese beetle. — Metzger and 
Grant (277). 
PALMAE 
(Palm Family) 
ARECA CATECHU L. Betel nut. Betel palm. 
Arecoline is one of the alkaloids of the betel nut, in which it 
is said to occur to the extent of 0.07 to 0.1 percent. A 0o6- and 
0.4-peroent solution of arecoline hydrochloride killed 100 and 50 
percent of the bean aphids, respectively, and 0.75 and 0*5 percent 
solutions of arecoline killed 100 and 90 percent.— Tattersfield and 
coworkers (393) • 
Extracts from the betel palm were not repellent to the Japanese 
beetle.— Met zger and Grant ( 277 ) • 
BORASSUS FLABELLIFER L. 
In India this plant is used to relieve itch.— Kirtikar and Rasu 
( 230 , v. 2, p. 1319). 
COCOS NUCIFERA L. Coconut. 
The following are only a few of the references deeling with 
coconut and palm oils in insecticides. 
A black oil extracted from the shell was used for itch and other 
parasitic affections.— Watt ( 422 , v. 2, p. 447). 
Stored prein was coated with coconut oil and kept in closed re- 
ceptacles. The oil retarded attacks of weevils (Calandra) Sitoph ilus 
oryza (L.) as lonp* as the grain rempined moist, but the grain was 
attacked after a few months.— Fletcher and Ghosh (140, pp. 733-755). 
