-21- 
To prepare an extract of poison hemlock use 100 parts by weight 
of fresh leaves with flowers and small stalks out into small pieces 
and mixed with 5 or 6 parts of water and ground in a mortar; press 
out the pulp and again mix with 15 parts of waterj again grind end 
press out, adding the second liquid to the first* The extract was 
found effective against various" insects.— Gomilevsky (1 64 ) . 
The powdered fruit was ineffective ap-ainst fly larvae, — Cook 
and Hutchison ( 103 , p. 4). 
Extracts from poison hemlock were not repellent to the Japanese 
beetle.—Metzger and Grant (277 ) . 
Coniine is added to a drenching solution for hides to serve as 
a mothproofing agent (Ger. patent 595, 849) •— Roark and Busbey ( 346 , 
p. 20), 
Comments by revi ewer • —Since coniine is closely related to nic- 
otine, more work on this alkaloid should be done so that the results 
can be compared with those obtained with nicotine. 
CORIANDRUM SATIVUM L. Coriander. 
Oil of coriander was one of the best repellents tested against 
screwworms#— Parman and coworkers (302). 
Oil of coriander, applied in 2-percent emulsion sprays, killed 
from 51 to 80 percent of the red spiders and cotton aphids tested 
within 24 hours. — Kayumov ( 226 ) . 
CUKINUM CYMIHDM L. Synonym: C, odorum Salisb. Cumin. 
Oil of cumin exhibited good repellency ap-ainst screwworms for 
1 or 2 days only.— Parman and coworkers ( 302 ) • 
It was moderately repellent to the oriental cockroach. — Cole ( lOl ) . 
DAUCUS CAROTA L. Common carrot. 
Extracts were not repellent to the Japanese beetle.— Metzger and 
Grant (277). 
FERULA ASSAFOETIDA L. Asafetida. 
Asafetida was ineffective against the tarnished plant bug.— Crosby 
and Leonard (108 ) • 
In laboratory tests tincture of asafetida was very strongly 
repellent to the cornfield ant.- Forbes (142, p. 465). 
