-245- 
(364) SIEVERS, A. F. 
1940* The production and marketing of derris root* IT* S. 
Bur* Plant Indus*, 24 pp* £ Processed// 
(365) RUSSELL, G. A., LOWMAN, M. S., FOWLER, E* D., ERLANSON, C, 0., 
and LITTLE, Y. A. 
1938 © Studies on the possibilities of devil's shoestring 
(Tephrosia virgin! a na) and other native species of 
Tephrosia as commercial sources of insectioides* 
U* S* Dept* Agr*, Tech. Bui* 595, 40 pp* 
(366) SLINGERLAND, M. V. 
1899* The peach-tree borer* V* Y* (Cornell) Agr. Expt* Sta* 
Bui. 176, pp. 157-233. 
(367) S1HT, B. 
1934. The protection of hides and skins from the ravages of 
the skin beetle, Denaestes vulpinus * So* Africa Dept* 
Agr* and Forestry Soi. Bui* 129, 17 pp. 
(368) SMITH, J. B. 
1891. The rose-chafer, or "rosebug** H* J* Agr* Bxpt. St a. 
Bui* 82, 40 pp* 
(369) 
1902* Report of the entomologist* HI* J* Agr* Expt* Sta* 
Ann* Rpt* 22 : 461-587* 
(370) SMITH, E* 
1925* Why not trap-crops that entrap? Jour* Econ* Ent* 18: 
550-552. 
(371) SHAPP, 0. I., and THOMSON, J. H. 
1931. The control of the lesser peach borer with paradiohloro- 
bensene solutions* U* S* Dept* Agr* Cir* 172, 11 pp. 
(372) 80K0L0V, A. G., and KOBLOVA, F. V. 
1939. Sophora as an inseotioide-produoing plant* Trans* Soi* 
Instit* Fertilisers Inseotofungicides (U*S*3*R*) 
No* 135, pp* 148-156* C Abstracts in Khia* Ref* Zhur* 
1939, No* 9, p* 66, and Chest* Abe* 34: 6001* 1940*3 
(373) SPRENGER, C* 
1912. Pflansengifte als Selbsthilfe gegen tierisohe und 
pflansliche Sohadlinge* Gartemrelt 16 (8): 110* 
(374) STEVENS, H. V. 
1892. Materialen sur Kenntnis der wilden Stamme auf der Halb- 
insel Malaka* Veroffentl* aus dem Konigliohen Museum 
fur vSlkerkunde 2 (3/4) : 81-163. Berlin. 
