(146) 



Noel, Paul, Uber die die Kulturpflanzen schadigenden Insekten und Milben {Bull, 

 trim. Laborat. d'Entomol. agricole et de la Seine-Inferieure Rouen 1914, p. 3 — 11.) 



Orton, C. R. Prevalence and prevention of stinking smut in Indiana. (Proceed. Ind. 

 Acad. Sci. [1911], p. 343—346.) 



Orton, C. R. and Adams, J. F, Notes on Permidermium from Pennsylvania. (Phyto- 

 pathology IV [1914], p. 23—26, 1 PI.) 



Orton, W. A. The Pungus Genus Verticillarium in its Relation to Plant Diseases. 

 (Phytopathology IV [1914], p. 40—41.) 



— Inspection and Certification of Potato Seed Stock (Ibidem p. 39.) 



Osborn, T. G. B. Bacterial disease of potatoes. (Journ. Dept. Agric. South Australia 

 XVII [1913], p. 19—21, 1 Fig.) 



— Lucerne leaf spot disease. (Ibidem p. 294 — 296, 4 Fig.) 



Osner, G. A. Diseases of ginseng caused by Sclerotinias. (Proceed. Ind. Acad. Sci. 

 [1911], p. 355—364. 6 Figs.) 



Owen, W. L. The occurrence of Saccharomyces Zopfii in cane syrups and variation 

 in its resistance to high temperatures when grown in solutions of varying den- 

 sities. (Centralbl. f. Bakt. usw. II. Abt. XXXIX [1913], p. 468-^82.) 



Pantanelli, E. e Cristofoletti, U. Nuove malattie fungine di piante utili. (Staz. Sperim. 



Agrar. Ital. XLVI [1913], p. 625—642, 4 Tav.) 

 Passy, Pierre. La fumagine et les psylles du Poirier. (Revue Horticole LXXXVl 



[1914], p. 162—163, Fig. 46-^7.) 



Petri, L. e Cuboni, G. Ancora sul significato patologico del cordoni endocellulari nei 



tessuti della vite. (Atti R. Accad. Lincei Roma XXIII [1914], 1 Sem., p. 154—161. 

 1 Fig.) 



Phillips, W. J. Corn-Leaf Blotch Miner. (Journ. Agiicult. Research II [1914], 

 p. 15—31, PL I— V.) 



Pierce, R. G. Some problems in the treatment of diseased chestnut trees (Xorth. 



Nut Growers Assoc. Proceed. Ill [1912], p. 44-^8.) 

 P. K. Das Ergebnis der phytopathologischen Konferenz in Rom. (Osterr. Gartenzeitg. 



IX [1914], p. 103—104.) 

 Poeteren, N. van. De overwintering en bestrijding van eenige Meeldauzwammen. 



(Tijdschr. Plantenz. XVIII [1913], p. 85—95.) 

 Ponsart, Ch. Le traitement du mildiou. (Revue de viticult. XXI [1914], p. 209—210.) 



Pool, V. W. and McKay, M. B. Puccinia nitens on the Sugar-Beet. (Phytopathology 



IV [1914], p. 204—206, 1 PI.) 

 Pratt, H. C. The Rat as a Coconut Pest. (Trop. Agriculturist XLII [1914], p. 359.) 



Prior, E. M, Contributions to a knowledge of the snap-beech disease. (Journ, Econ.. 

 Biol. VIII [1913], p. 249—263, 2 PI.) 



P. V. La lutte contre les Dipt^ies nuisibles aux fruits. (Journ. d'Agric. trop. XIV 

 [1914], p. 128.) 



Un nouvel ennemi du Cafeier a Madagascar. (Journ. d'Agric. trop. XIV [1914], 

 p. 125.) 



Quanjer, H. M. Onderzoekingen naar aanleiding van het heftig optreden van de 



brandzwam Ustilago bromivora in een om het zaad gekweekte grassoort. (In 



Tft. over plantenziekten XXIX [1913], biz. 137—152.) 

 Quanjer, H. M. en Slagter, N. De roestof schurfziekte van de selderieknol en enkele 



opmerkingen over andere selderieziekten. (Tijdschr. over Plantenz. XX [1914]. 



p. 13—27, 1 PI.) 

 Quinn, Geo. Peach life curl fungus (Exoascus deformans Fuckl.). Further tests \\-ith 



copper compounds. (Journ. Agric. South Australia XVII ri9131. d. 28—32.) 



