(49) 



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Cook, M, T. and Helyar, J. P. Diseases of grains and forage crops. (Ibidem Circ. LI 



[1915]. 8 pp.) 

 Cook, M. T. and Lint, H. C. Potato Diseases in New Jersey. {New Jersy Agnc. Expt. 



Stat. Circ. LHI [1916]. 23 pp. 9 Fig.) 

 Cook, M. T, and Wilson, G. W. The influence of the tannin content of the host plant 



on Endothia parasitica and related species. {Bot. Gaz. LX [1915], p. 346 — 301.) 



The influence of ether on the growth of Endothia. (Ibidem p. 412 — 413.) 



Cooley, R. A. Observations on the Life-History of the Army Cutworm, Choriza- 



grotis auxiliaris. (Journ. Agric. Research-Washington Vol. VI [1916], p. 871—881.) 

 Coons, G. H, Report of the research assistant in plant pathology. (Michigan Stat. 



Kept. [1915], p. 213—215.) 

 Coons, G. H. and Levin, E, The Septoria leaf spot disease of celery, or celery blight. 



(Michig. Agric. Expt. Stat. Special Bull. LXXVII [1916], p. 1—8. Fig. 1—9.) 

 Cosens, A. and Sinclair, T. A. Aeriferous Tissue in Willow Galls. (The Hot. Gazette 



Vol. LXII [1916], p. 210—225, Plates II— IV. 5 Figures.) 



p 



Coville, Frederick V. The Formation of Leafmold. (Smithson. Rep. for 1913 ^Wa- 



shington 1914], p. 333—343.) 

 Crabill, C. H, The frog-eye leaf spot of apples. (Virginia Agric. Exp. Stat. Bull. 



No. 209 [1915], p. 1—16, Fig. 1—5.) [Sphaeropsis malorum.] 

 ■ — Note on apple root-rot in Virginia. (Phytopathology VI [1916], p. 159 — ^161, 1 Fig.) 



Cunningham, G. C. Studies in club-root. II. Disease resistance of crucifers; methods 



of combating club-root. (Vermont Agric. Exp. Stat. Bull. No. 185 [1914], p. 67—96. 



Plates I~IX.) 

 Cushman, R, A. Thersilochus conotracheli, a Parasite of the Plum Curculio. (Journal 



of Agricultural Research Vol. VI, No. 22.) 

 Cushman, R. A. and Isely, Dwight. The Cherry Leaf-Beetle, a periodically important 



enemy of Cherries. (U. S. Dcpartm. Agrfc. Washington Bull. 352 — Contrib. 



from Bur. of Entomol. [Professional Paper]., [1916] 28 pp. 9 Figs.) 

 Czeh, Andreas. Die Bekampfung der Peronospora \'iticola in den kgl. pr. Domanial- 



Welngiitern des Rheingaues mit Perozid. (Weinbau u. Weinhandel 1916, p. 61, 



P- 67.) 

 Dalmasso, G. und Sutlo, S, Beobachtungen iiber das Verhalten der Direkttrager 

 i gegen die Pilzkrankheiten. (La Rivista XXI [1915], p- 337—341.) Nach Intemat. 



Agrartechn. Rundsch. 1915, p. 1344.) 

 Darnell-Smith, G. P, Fungicide experiments, 1914. (Agric. Gaz. New South Wales 



XXVI [1915], p. 494-495.) 



— Citrus canker in America. The outbreak of a new disease. (Agric. Gaz. New- 

 South Wales XXVI [1915], p. 517—518.) 



— The use of copper carbonate as a fungicide. (Agric. Gaz. N. S. Wales XXVI 

 [1915], p. 242—243.) 



Darnell-Smith, G. P. and Mackinnon, E. Late blight of potato. (Agric. Gaz. N. S. Wales 

 XXVI [1915], p. 673—678, 2 Pis.) 



Fungus diseases of wheat. (Dept. Agric. New South Wales, Farmer's Bull. CH 

 [1915], p. 3—31, 28 Figs.) 



Gummosis, or the gumming of fruit trees. (Agric. Gaz. New South Wales XXVI 

 [1915], p. 405—410.) 

 Dash, J. S. Plant diseases in Barbados. (Rept. Dept. Agric. Barbados 1913—1914. 



p. 43—45.) 

 Dastur, J, F. The potato blight in India. (Mem. Dept. Agric. India Bot. Ser. VII 



11915], 14 pp. 1 PI.) 



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ffedwigia Band LIX\ 



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