222 Profs. P. F. Frankland and Marshall Ward. 



Aradas. Esame batterioscopico dell' Acqua della Reitana, &c. 

 Atti Accad. Gioenia, Catania. Ser. III. Yol. 20. 

 Pp. 1-11. 



Technical. 



Billet. Contrib. a I'Etude de la Morph. et du Developpement des 

 Bacteriacees. Paris, 1890. 

 Contains full literature and numerous morphological facts; records the 

 discovery of endospores in Cladothrix. 



Bokorny. Ueber den Bakteriengehalt der offentlichen Brunuen 

 in Kaiserslautern. Arch. f. Hyg. Yol. 8. 1888. 

 Pp. 105-110. 



Technical. 



Boutroux. Revue des Travanx sur les Bacteries, &c. Rev. 

 Generate de Bot. 1890. Yol. 2. 



Resume. 



Brodtler. Sur la Biologie des Germes vivants dans l'Eau. 

 Berlin, 1888. 



General. 



Bujwid. Wyrniki bakt, badan wody Warszaw, &c. Zorowie, 

 1889. Centralb. f. Bakfc. 1890. Yol. 8. P. 395. 



Claessen. Ueber einen Indigo-blauen Parbstoff erzengenden 

 Bacillus aus Wasser. Centralb. f. Bakt. Yol. 7. 1890. 

 Pp. 13-17. 



Special. 



Cramer. Die Wasserversorgung von Zurich. 1884 and 1885. 

 An important contribution. 



Despeignes. Etude experimentale sur les Microbes des Eaux, 

 &c. Paris, 1891. Centralb. f. Bakt. Yol. 10. P. 563. 

 Special. 



Duclaux. Les Microbes des Eaux. Ann. Inst. Past. Yol. 3. 

 1889. Pp. 559-569. 



An excellent critical review of the whole subject. 

 Emmerich. Das Brunnenwasser von Lissabon. Arch. f. Hyg, 

 Yol. 1. 1883. Pp. 389-396. 



Technical. 



Erismann. Handbuch d. Hygiene. Yol. 2. Abth. 2. P. 214. 



The book is a general one. We quote a reference to water bacteria. 



Pol & Dunant. Arch, des Sci. phys. et nat., Geneve. 1884, 

 1885. 



An important paper. 

 Frankel (C.) Untersuchungen iiber Brunnendesinfection und 

 den Keimgehalt des Grundwassers. Zeitschr. f. Hyg. 

 Yol. 6. 1889. Pp. 23-61. 

 A valuable contribution to the subject of the contamination of well- 

 waters. 



