—= 
~» ll = 
Thomas, C. A. 
A review of research on the control of wireworms. 52 DD.) tLe 
State College, Pa., Penn. State College, 1930. Bibliography of 
wireworm control methods, p. 41-52. 
moorpe, W. H. 
Biological races in insects and allied groups. Cambridge, at the 
Univ. Press, July, 1930. Reprinted from Biological Reviews, v. 5, 
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Trinidad and Tobago. Froghopper Investigation Committee. 
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Printing Office, Port of Spain, 1930. 
Van Duzee, M. C. 
Diptera of Patagonia and South Chile, based mainly on material in 
the British Museum (Nat. Hist.).. Part V, fasc. 1, Dolichopo— 
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British Museum, 1930. 
Vivarelli, Luigi. 
menLvomolLogia. agraria .... Edizione seconda.: .2 va, ulus: 
Casale Monf., Casa editrice fratelli Ottavi, 1924-1929. (Lettered 
On cover: Biblioteca agraria Ottavi, vol. CX-CXI. (Contents: 
Tolwmeiseeinsertl nooivi alla vite. .Vol.. Il, -Insetti) nocivrear 
frumento. ) 
Webel, A. 
A German-English technical and scientific dictionary. 887 p. New 
York, E. P. Dutton & Co., 19350 
Yenching Univ. Peping, China. Dept. of Biology. 
Purietin, v. l, No. 1, Jan., 1930. Contents: Kellogg, C..R. Notes 
on the life history and growth of silkworms in Fukien Province, 
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