- 156 - 
273. i-'^J^Tir, J. T. 
I9U0. The problem of the evaluation of rotenons-containing plants. 
V. The relative toxicities of different species of derris, 
Ann. Aopl. Biol. 27(2) ;27'4-29U. 
27U. i.-L^HYLAI-!!) Ul'IVJRSITY 
19^0. Canning crops. Control of insects and diseases. Md. Univ. 
[Agr.] Ext. Ann. Rpt. (1939)25:70. 
275. i-'IASSACiraSSTTS AGPICULTUIL^L SXFjIRI-.:Jx:T STATIOi: 
1935. Department of Entomology. Mass. Agr. Ex:)t . Sta. Ann. 
Rpt. (193^) B-cd. 315:38-52. 
276. 
277. 
275, 
279. 
1936. Department of Entomology. Mass. Agr. Ezpt . Sta. Ann. 
Ept. (1935) Bui. 327:^0-^2, hG, 47. 
1937. [Derris.] Mass. Agr. Brpt . Sta. Ann., fipt. (1936) Bill. 
339:36-^+0, U6-bl. 
193s. [Derris. 1 Ma:;s. Agr. Bxot . Sta. Ann. i^^t . (1937/ Bui. 
3^7, 99 pp. 
1939. [Derris.] Mass. Agr. E:cDt. Sta. Bui. 355:Uo, 
250. MASS IT., A. M. 
1937' i'otes on some interest'.ng mites and insects o"bservod 
on fruit trees in I936. East Hailing [Kent] Res. Sta. 
A.nn. Rpt. C193S) '2^:222-222. 
251. MTSUBAPA., S. 
1937. The injuriousness and control of Cryptodactylus gracilis 
Schonf., a oest of chestnut trees. Agr. and Hort . 
[Tohyo] 12:1921-192^, illus. [in Japanese. Alostract 
in Rev. Appl . Ent .' (A) 25:676.] 
2G2. METZGER, E. W. 
1936. Control of the Japanese hoetle onpe..ches and apples. 
^T., J. State Hort. Soc. ilev.^s 17(3):79S. 
2g3. - , and GF.-f'T , D. K. 
1932. Repellency to the Japanese beetle of extracts made from 
pants iffiKiune to att.ack. U. S. Dept . Agr. Tech. Bui. 
299, 21 pp. 
2i<h. MILES, H. W. 
1935. 'Control of inaoct pests of vegetable crops. Sci. Hort. 
[Wve, Kent], 3:126^132. 
265. MILL;®, IT. C. E. ' . 
I93U. Coleopterous posts -of stored derris in Malrya. Eed. 
Malay States Dept. Agr. [Bui.] Sci. Ser. lU, 3U pp., illus. 
