Neue Litteratur, 57 



Stevens, N. E. and R. B. Wilcox. 1918. Further studies of the rots of 

 strawberry fruits. (Bull. U. S. Dep. Agr. Bur. Plant Ind. 1918. 

 686. 12 pp.) 



Stevenson, J. A 1918. Citrus diseases of Porto Rico. (Journ. Dep. Agr. 

 Porto Rico. II. p. 43—123.) 



Stone, R. E. 1918. Incubation period of Cronartium ribicola on the 

 white pine. (Phytopathology. VIII. p. 438-440.) 



Surzynski, L. 1917. Ueber sporentötende Mittel. (Leipzig, 1917. 

 8^. 33 pp.) 



Tunstall, A. C. 1918. A stem disease of tea, caused by Nectria cin- 

 nabarina (Tode) Fr. (Pamph. indian Tea Ass. 1918. 3.) 



Tunstall, A. C. 1918. Fungus blights of tea in North-East India, du- 

 ring the season 1917. (Quart. Journ. indian Tea Ass. II. p. 25.) 



Weir, J. R. and E. E. Hubert. 1918. Cultures with Melampsorae on 

 Populus. (Mycologia. VIII. p. 194—198,) 



Whetzel, H. H. 1918. An outline of the historv of phytopathology. 

 (Philadelphia. 1918. 130 pp. ill.) 



Wilson, 0. T. 1918. A storage fermentation of dasheens. (Phytopa- 

 thology. VIII. p. 547—549. 1 f.) 



Wortley, B. J. 1918. Potato leaf-roll: its diagnosis and cause. (Phyto- 

 logy. VIII. p. 507—529. 16 f.) 



York, H. H. and P. Spaulding. 1918. The overwintering of Cronar- 

 tium ribicola on Ribes. (Phytopathology. VIII. p. 617 — 619.) 



Zinnsmeister, C, L. 1918. Ramularia root rots of Ginseng. (Phytopa- 

 thology. VIII. p. 557—571. 8 f.) [Contains as new Ramularia de- 

 structans and R. panacicola. — Trelease.] 



Xiy. Bacteriologie. 



Breed, R. S. a. o. 1918. Comments on the evolution and Classification 

 of bacteria. (Journ. Bact. III. p. 445—459.) 



Brooks, M. M. 1918. Comparative studies on respiration. III. The 

 effect of ether on the respiration and growth of Bacillus subtilis. 

 (Journ. gen. Physiol. I. p. 193-201. 5 f.) 



Buchanan, R. E. 1918. Studies in the Classification and nomenclature 

 of the bacteria, VIII— IX. (Journ. Bact. III. p. 403—406, 461—474.) 



Feilietzen, H. van 1919. Ett par försök med ympjord samt med nitra- 

 gin frän Centralanstaltens bakteriologiska afdelning tili lupiner 

 och vicker pä hvitmossjord. (Svenska Mosskulturför. Tidskr. XXXIII. 

 p. 33—43. ill.) 



Fellers, C. R. 1918. The effect of inoculation, fertilizer treatment and 

 certain minerals on the yield, composition and nodule formation 

 of soybeans. (Soil Sc. VI. p. 81—129. 5 pl.) 



Gainey, P. L. 1918. Effect of carbon disulphid and toluol upon 

 nitrogen-fixing and nitrifying organisms. (Journ. agr. Res. XV. p. 

 601—614.) 



Grcaves, J. E. 1918. Azofication. (Soil Soc. VI. p. 163—217. 2 f.) 



Harrison, F. C. 1918. A rosette forming organism. (Trans, r. Soc. 

 Canada. 3. XII. p. 203—205. 1 pl.) 



Hunter, 0. W. 1918. Bacteriological studies on alfalfa silage. (Journ. 

 agr. Res. XV. p. 571—592.) 



Mieseher, G. 1917. Ueber einen Fall von Myceloma pedis nostras, 

 verursacht durch eine neue pathogene Streptothrix, nebst Bemer- 

 kungen zur Systematik der Trichomyceten (Streptothrix, Actino- 

 myces). (Basel, 1917. 8o. 144 pp. 6 T.) 



Rossler, H. 1918. Ueber thermophile Bakterien der Badener Ther- 

 malquellen. (Heidelberg 1918. 8°. 63 pp.) 



