254 
SUMMARY OF CURRENT RESEARCHES RELATING TO 
Rovdenko, — . — Influence du sang de grenouille sur la resistance des sonris 
contre le charbon. (Influence of the Blood of the Frog on the Resistance of Mice 
against Charcoal.) Ann. Inst. Pasteur. V. p. 515. 
Schwarz, R — Di un carattere morfologico del bacillo del tetano. (On a Morpho- 
logical Character of the Bacillus of Tetanus.) Sperimentale, 1891, pp. 373-7. 
Swingle, W. T. — First Addition to the List of Kansas Peronosporaceae. 
Trans. 22 and 23 Ann. Meetings , Kansas Acad. Set., 1891, XII. pp. 129-34. 
Tranzschel, W. — On the Uredineae of Archangel and Wologda. 
St. Petersburg, 1891 (Russian). 
Trapeznikoff, — . — Du sort des spores de microbes dans l’organisme animal. 
(The Fate of the Spores of Microbes in the animal organism.) 
Ann. Inst. Pasteur , Y. p. 362. 
Weidenbaum, A. — On the Morphology and Biology of Fungi: Oidiurn albicans 
and O. lactis. Inaug.-Diss. St. Petersburg, 1890, 8vo, 73 pp., 1 pi. (Russian). 
W e l z, F. — Bakteriologische Untersuchung der Luft in Freiburg i. B. und Umgebung. 
(Bacteriological Investigation of the Air of Freiburg i. B. and its neighbourhood.) 
Zeitschr.f. Hygiene , 1891, pp. 121-153. 
Winogradsky, S. — Kecherches sur les organismes de la nitrification. (Re- 
searches on the organisms of nitrification.) 
Ann. Inst. Pasteur, 1891, pp. 577-616. 
