- 97 - 
(4-7) CARLOS, A. S. 
1926. Derris and its uses as an insecticide* Pert,, Feed. 
Stuffs and Farm Supplies Jour. 11: 161, 
(48) CASTILLO, I. 
1326. Preliminary studies on the irsecticidal properties of 
three species of derris in the Philippines* Philip- 
pine Agr, 15: 257-275. 
(49) CHAMBSELIH, J. C. 
1933. Results with rotenone dusts and sprays. U. S.Dept. Agr. 
Bur. Ent. Ecnthly Let. 234: 7. [Frocossed.] 
(50) COLORADO . ■ i STATIC 
193G. [Potcnone and cube]. Colo. Hxpt. Sta. Ivan, Rpt. (1934-35) 
48: 20. 
(51) coisPTorr, c. c. 
1930. Greenhouse pests, a manual of practice in the control 
of insects and other pests att. ornamental plants 
and flowers green under glass in Illinois. Ill, Nat, 
hist. Survey Cir. 12, 112 pp., illus. 
(52) C0P3ETT, G. E. 
1930. Entomological notes. Third Quart, 1330. Malayan Agr, 
Jour. 18 s 511-513. 
(53) Cr--, E. r . 
5, Dustin: for the pea aphis. Jcur. Econ, Ent. 16: 81-S4. 
(54) 
1938. Schedule lor the control of rose oests. 2 pp., illus, 
[Processed.] 
(55) _____ and 07L ; >HAE S C. 
1936. Pea aphis control in Maryland. Peninsula Port. Sec. [Del.] 
Trans. 26: 2-1-26. 
(56) _„_-_.,- and I* T , ?. 
1937, Observations on Brood X oT t] riodical cicada in 
L. J r. Seen. t. ' i : 287-294, 
(57) C?AUFOT_>BEI T SOF, R. J. 
1958. The select,,.': a standard insect . ■ labor be ry 
testing c '"'cticides Bui. Ent. Res. 29 (2): 119-123. 
July. 
(58) CPOSBY, C. it., CEUPP, C., and LEI3Y, P. .. 
1954. The control of diseases cts affecti: ble 
crops I i ■ ■, 11, Y, Agr. Col, . 11 ) :.: . 
Bui. 278, 11' pp., illus. (Rev. 1953.) 
