- 13 - 
0:i the basis of a rather extensive chemical examination 
of the bitter principles present in the plant, and of a 
comparative study with quassin, it is stated that this 
principle appears to he identical with quassin. The organ" 
olcptic and therapeutic properties also support this 
asGurpption, Tho plant is almost identical histologically and 
very similaj* morphologically to tho Merican species, Quassia am.Mj.- a, 
CLEJSS, L, r, , Jr. (36) 
HEPORT OF TKS ElTTOMOLOGICiX DITISIOH FCR THE YEiR 1930, , 
Mrain. Ropt. Dir. iigr, Brit. Guiana 193G, p. 87-90. 
1Q31. [Abstract in Rev, Appl. 3nt. (A) 19: 629, 1931.] 
Tho locust Tropidacris lo.treilloi Porty, the nymphs 
of v;hich attacked goconuts, had boon feeding on Quassia . 
CULLE:T, W, (37) 
A TREATISE OE THE MATERIA LIEDICA. 2 r, Dablin. 1739, 
Quasr-iia is an excellent bitter and will do what any 
pure aiid simple bitter will do, but probably no more. 
The extraordinary comricndrtions given of.it arn to be as- 
cribed to the partiality ro often shown to now mc'licines, 
Simaruba [Acschrion] is n genus of the same frmily as 
Quassia and seems to bo very nearly of the stunc qucJ-ities, 
Tho virtues ascribed to it in d;;;-scntcry have not been con- 
firmed by tho author* s experience (v, 2, pp, 51-62), 
CUIILIEEE, N., rjid ETLE, G, 3. (38) 
THE COITIEER SPUMING MITE CIT SITKA SPRUCE, OLIGCHYCHUS 
( PARATSTRAl- IYCHUS )U Fj1IGUI S JAC OBI . Quart." Jour, Eorcstry 
17(1): 359-362. 1923^ [Ibstract in Rev. Appl, Ent. (A) 11: 
110, 1923,] 
Quassia-nicotine emulsion has boon successfully used in 
Sweden for the control of this nitn in nurseries, 
CUSHMY, A. R, . (39) 
A TEXTBOOK OP PHiffilvIACOLOGY ML THSE/PEITTICS, Ed, 8, 
707 pp. Philadelphia and Kcw York. 1924, 
Quassia, the vrood of Picracna oxcelna or of 
Quassia nmara , ic listed as a simple bitter. Quassia 
infusion (10 percent) is .oJ.so injected as an cncna 
for ro-andwoms in children. 
