Neue Litteratur. 43 



XIV. Bacteriologie. 



Christensen, H. R. 1914. Studier over Jordbundsbeskaffenhedens In- 



flydelse paa Bakterielivet og Stofotnsatnigen i Jordbunden. [Ueber 



den Einfluss der Beschaffenheit des Erdbodens auf Bakterienleben 



und Stoffumsatz im Erdboden. (Tidsskr. f. Landbr. Planteavl. XXI. 



p. 321.) 

 Conn, H. J. 1915. Culture media for use in the plate method of 



counting soll Bacteria. (Cbl. Bakt. 2. XLIV. p. 719—734.) 

 Gerretsen, F. C. 1915. Die Einwirkung des ultravioletten Lichtes auf 



die Leuchtbakterien. [V.M.] (Cbl. Bakt. 2. XLIV. p. 660-661.) 

 Lipman, C. B. and P. S. Burgess. 1914. Studies on ammonification in 



soils by pure cultures. (Univ. California Publ. agr. Sc. I. p. 141 — 172.) 

 Lipman, C. B. and P. S. Burgess. 1915. Studies on nitrogen fixation 



and Azotobacter forms in soils ot foreign countries. fCbl. Bakt. 2. 



XLIV. p. 481—511. 1 pl.) 

 Lipman, C. B. and F. S. Burgess. 1914. The effects of copper, zinc, 



iron and lead salts on ammonification and nitrification in soils. 



(Univ. California Publ. agr. Sc. I. p. 127—139.) 

 Mc Beth, L G. and F. M. Scales. 1913. The destruction of cellulose by 



bacteria and filamentous fungi. (Bull. U. S. Dep. Agr. Bur. Plant 



Ind. 1913. 266. 50 pp. 4 pl.) 

 Münz, E. 1915. Zur Physiologie der Methanbakterien. [Diss. Halle]. 



(Halle a. S. John. 1915. S». 61 pp.) 

 Nemec, B. 1915. O bakteriovych blizkäch serradelly. [Ueber die Bak- 



terienknöUchen bei Seradella]. (Slavn. spix. II. tr cesk. Ak. k 70. 



narozeninäm dv. r. Prof. Dr. K. Vrby. 1915. 1. Böhmisch.) 

 Salus, G. 1915. Ueber anaerobe Streptokokken. (Cbl. Bakt. 1. LXXVII. 



p. 1-40.) 



XV. Lichenes. 

 Cf. XL Lindau et Sydow. 



Sandstede, H. 1912. Die Flechten Helgolands. II. (VViss. Meeresunt- 



biol. Anst. Helgoland. N. F. V. p. 17—29.) 

 Savicz, V. F. 1911. Enumerationes Lichenum in Lapponia Rossica et 



Nowaja-Zeralja a cl. R. Nieman annis 1903 et 1908— 1909 lectorum. 



(Trav. Soc. sc. Etud. Fac. Sc. nat. et math. Univ. St.-Petersbourg. 



1911. p. 37—56. 1 pl. En russe.) 



XVI. Bryophyten. 



Cf. V. Hedlund. 



Györffy, l. 1915. Ueber das Vorkommen der Molendoa Sendtneriana 



in den Karpathen ausserhalb der Hohen Tatra. (Mag. bot. Lap. 



XIV. p. 71—74.) 

 Hagen, L 1915. Forarbyder til en norks lövmosflora. XX. Dicrana- 



ceae. (Kgl. norske Vidensk. Selsk. Schrift. 1914 [1915]. p. 1 — 192.) 

 Haynes, C. C. 1915. Bucegia, a new genus for North America. (Bryo 



logist. XVIII. p. 93—94. 4 f.) 

 Jennings, 0. E. 1915. Systematic and ecological notes on the mosses 



of western Pennsylvania. (Bryologist. XVIII. p. 83-93. 1 pl.) 

 Machado, A. 1915. Notas de briologia minhota. (Ann. sc. Ac. poly- 



techn, Porto. X. 2.) 

 Standley, P. C. 1915. Hepaticae of New Mexico. (Brvologist. XVIII. 



p. 81 83.) 



XVn. Pteridophyten. 



Alderwerelt van Rosenburg, C. R. W. K. 1915. Malayan Fern AUies. 



