ZOOLOGY AND BOTANY, MICROSCOPY, ETC. <'»:>'.) 



the author discusses the empirical selection of ferments and the im- 

 portance of the quality of milk used. He emphasizes the necessity of 

 pasteurisation. 



Bielecki, J. — Sur la variabilite du pouvoir proteolytique de la bacteridie 

 charbonneuse. Comptes Renclus, cl. (1910) pp. 1548-50. 



Calmette, A. & C. Gueein- Sur la resorption des bacilles tuberculeux chez 

 les Bovides a la suite de l'injection des melanges de serum d'animaux hyper- 

 immunises et de bacilles cultures en serie sur bile de bceuf. 



Op. cit,, cli. (1910) pp. 32-5. 



Poynton, F. J. & A. Paine— Some further investigations and observations 

 upon the pathology of rheumatic fever. 



[Contains further evidence in favour of the authors' views respecting the 

 tetiology of rheumatic fever.] Lancet (1910) i., pp. 1524-8 (2 figs.). 



Selibee, G.— Sur la Symbiose du bacille butyrique en culture d'autres microbes 

 anaerobies. ' Comptes Renclus, cl. (1910) pp. 1545- 7. 



