- Ib7 - 
UOl. V.XHT, J. van dor 
I93S. ProGYcri met dorris tegen insect enplafren in ITederlandsch- 
Indie. Landbouw. ll(lO) :U01-^65, illus; also Buitenzorg 
Inst. V, Plant enziekt en Korte Meded. 21, 65 pp., illus. 
U02. \JA(yimTl^a-^ PLA2'T31TZI-3CT31TKU1TDIGJ DI3N5T 
1933. Sotonon en aftreksol van Derris alliptica (Akar tooba) . 
'iageniugen Plantonziektenkund. Dionst Vorslag en Keded. 
72:96-99. 
Uo^. 
IQ3U. Vcrslag over do V/orkza.anheden van den Plo.ntenziektenkrandic^en 
Dienst in het Jaar 1933 • VTageuingen Plant en zicktenicund, 
Dienst Vorslag. en Meded. fS, II6 pp., illus. 
kOk. WAHL, B. .^„ 
1916, Antworten und BriofwechsGl. V/ien. Landv. ii".* 66:267. 
1+05. 
1937. Dcr Colorr^dolip.ior odor K.-rtoff clkaf or ( Dor;T)hora = Leptino- 
tars a docomlineata Say). Sup. to i^euheit. auf dem Gob. 
des Pfla,nzonsciiut?. kO pp., illus. April 1937. 
UOd. WAIK'^R, G. L. 
193s. i'icv; vetting c.ncl spreading agent for spray materials. Jovs, 
Scon. "Int. 30:962-967. 
U07. ¥i-JLK.]R, H. G., and Jii1)-JRZ0:: , L. D. 
1935. Suir.ino-rv of results obtained v/ith. arsonical substitutes 
for the control of vegotable crop insects at the Virginia 
Truck 3]:>rporiinent Sto^tion. Jour. Ilicon, lint. 2S:603-605. 
kO^'. ¥;j..LI3, H. L. 
1936. Helativo efficiency of various sprays against Mexican bean 
beetle in irrigated fields. U. S. Deot. Agr., Bur. I3nt. 
and Plrnt Q,u,ar. ITe-rs Let. 3(l2):23. [Processed.] 
U09. 
Rotenono-contrining compounds give good coiitrol of I-lexican 
bean beetle in Colorado. U. S. Dopt . Agr., Bur. Jnt. 
and Plant '^uar. NevrsLet. 5(2) :17. [Proceased.] 
UlO. WAHWICK,- 
193s* Summer application'^ of derri:;. Fort., Toed. Stuffs and 
xarm Supplies Jour. 23(11): 287. 
Ull. WSST VIRGINIA D^I'.mTl.JlIT OF AGRICULTURE 
1929. [Derris.] \/. Va. Dopt. Agr. Bion. Rpt. (1927-2S) 8, 297 pp. 
U12. IfillT.], \L H. 
1935' Reconunondations for the control of insects attacking certain 
vegetables, small fruits, and tobacco, and the olinination 
of harmful insect icidal residues from the market product. 
U. S. Dopt. Agr., Bur. 3nt . and Plant 'iuar. Ii-3^3, I3 pp. 
[Processed .] 
