MuRPHY' — Bionomics of the Conidia of Phijtophthora infestans. 405 



10. Hecke, L.— Untersuchungeu iiber Phytoplithora infestans De By. als 



Ursache der Kartoffelkrankheit. Jour. f. Landvv., Band -±6, 

 Heft 1, pp. 71-74 ; Heft 2, pp. 97-142, 18!)8. 



11. Jensen, J. L. — Moyens de combattie et de detniire le Peronospora de 



la pomme de tene. Mem. Soc. Nat. d'Agrio. de France, T. 131, 

 loO pp., 1887. 



12. Jones, L. E., N. J. Giddings and B. F. Lutman.— Investigations of the 



Potato Fungus FhytopMliora infestans. U.S. Dept. of Agric, 

 Bureau of Plant Industry, Bull. 245, 93 pp., 1912. Also issued as 

 Bull. 168, Vermont Agr. Exp. Station. 



13. Karsten, H. — Zweiter Bericht iiber die von den landwirlscliaftlichen 



Akademieen und Versuchstationen ... in den Jahren 1864 uud 

 1865 ausgefiilirten Uiatersuchungen iiber die Kartoffelkrankheit . . . 

 Ann. d. Landw., Band 49, pp. 104-122, 1867. 



14. McAlpink, D. — Some points of practical importance in connexion with 



the Life-history stages of Phi/tophtJwra infestans (Mont.) de Bary. 

 Ann. Mycol., vol. 8, No. 2, pp. 156-166, 1910. 



15. Melhus, I. E.— The perennial mycelium of Phytophthora infestans. 



Centbl. f. Bakt., &c., Abt. 2, 39 Band, pp. 482-488, 1913. 



16. Melhus, I. E. — Hibernation of Phytophthora infestans of the Irish 



potato. Journ. Agric. Research, vol. 5, No. 2, pp. 71-102, lyl5. 



17. Melhus, 1. E. — Germination and Infection with the Fungus of the Late 



Blight of Potato {Phytophthora infestans). Agric. Exp. Stn., 

 University of Wisconsin, Eesearch Bull. 37, 64 pp., 1915. 



18. Murphy, P. A. — Investigation of Potato Diseases. Doni. of Canada 



Dept. of Agric, Bull. No. 44 (Second Series), 86 pp., 1921. 



19. MuEPHY, P. A.— The Sources of Infection of Potato Tubers with the 



Blight Fungus, Phytophthora infestans. Sc. Proc. E. Dublin Soc. 

 vol. 16 (N.S.), pp. 353-368, 19-21. 



20. Payen, a. de. — Developpement et reactions du Botrytis infestans de la 



pomme de terre. Compt. Eend. hebd. de FAcad. d. Sc, T. 25, 

 pp. 696-699, 1846. 



21. EUSSELL, E. J., and A. Appleyaed.— The Atmosphere of the Soil: its 



Composition and the Causes of Variation. Journ. Agric. Science, 

 vol. 7, Pt. 1,48 pp., 1915. 



SOIENT. PROO. E.D.S., VOL. XVI, NO. XXXIV. 8 D 



