Art. 16.— Peroxylaminesulphonic Acid. By E. Divers.— Publ. May 



15th, 1904. 

 Art. 17.— Constitution of Nitric Peroxide. By E. Divers.— Publ. May 



15th, 1904. 

 Art. 18.— Ueber das Vorkommen von Saccharomyces anomalus 



beim Sakebrauen. Von K. Sum— Publ. May 28th, 1904. 

 Art. 19.— Tieghemella japonica. (Mit 1 Tafel). Von K. Saito.— Publ. 



May 28 th, 1904. 

 Art. 20. — Jurassic Ammonites from Echizen and Nagato. (With 



4 plates). By M. Yokoyama.— Publ. May löth, 1904. 



PRINTED AT TIFF. "TOKYO TYPE FOUNDRY." 



