- 5 - 
ATHEHTOT, D. I. (13) 
EXPSEIMEWTS MlTd BAITS lOB. 'THE CONTROL 0? C3RTAI1J COTTON PSSTS. 
QueGnslari Agr, Jour. 4C: 183-190. 1933. 
Baiting e:q>eriine.-.it s were commenced with a viev; to obtaining 
a practicaols ratthod Ick the control of the corn earworm on 
cotton. One of the ■bci?ts used v;as composed of honey and water 
(l*, 7), quassia chips havirg teen soaked previously in the vra.ter 
at the rate of 1 pound to 2 gallons for 18 hours. None of the 
"baits were effective. 
AVESIIT, V. G. (14) 
ON THE EXPECTED ;.?PE.Av/NCE 0? PESTS I!T iei3. Pests of Agricul- 
ture and Methods of Fi/^liting Then., Lull, 1, 6 -p-p. 1913. 
Issued by the Entomologic.?! p.nd phytopathological Bureau of 
the ZcmF';vQ of '"'harhoT. ' [In RusGian. Abstract in Rev. Appl. 
Ent. (A)l; 49i-4^-;2. I';i3.] 
Timely spra^-ing is rcccEmended against Psylla mali with 
the following deco<^tion cf qua-sia; 3 pounds boiled in aboixt 
5 gallons of wate;:-; half of tho v/ator eT&porates, when another 
2.7 gallons is arblrd - and the liouor is raclced off; 2 pounds of 
green soap is the.o. added, and the whole r.ade up to 16 to 17 
gallons v/ith water. 
B. , A. C. (15) 
THE CELERY FLY AND PARSNIPS. Card. Chron. (3) 61: 261. 1917. 
Spraying of parsnip foliage with quassia extract is recom- 
mended to prevent oviposition by the celcr;-- fly. 
BAEER, J. L. (16) 
MALT AND MLT LIQjJORS. In Allen' s Com-nerciel Orgrnic Analysis. 
Ed. 4, V. 1, pp. 133-164. Philadelphia. 1912. 
A. C. Chapman (;inalyst 25: 35. 1900) has devised a method 
for distinguishing between hops and quassia, which is based 
upon the production of valeric acid when the ether extract of 
hops is oxidized with an alkaline solution of potassium 
permanganate. The valeric acid can be identified by its odor. 
In tht case of quassia the acid liberated is chiefly acetic. 
This method is applicabje to the exaninaticn of hop-bitter 
preparations (of a medicinal character), hop extracts, and 
similar products. 
