CONTENTS. 



Art. 1.— Über die Ausflussmenge des Elutungssaftes einiger Bäume. 



Mit 4 Textfiguren. By M. Miyoihi.— Pnbl. February 25th, 1916. 



Art. 2. — A monograph of Japanese Ophiuroidea, arranged according 

 to a new classification. AV^itb 7 plates. By H. Matsumoto. — 

 Publ. March 31st, 1917. 



Art. 3. — The great eruption of Sakura-jima in 1914. AYith 24 plates 

 and 49 textfigures. By B. Koto. — December 25th, 1916. 



Art. 4. — Contributionen novae ad floram bryophyton japonicam. Pars 

 .secunda. With 42 textfigures. By S. Okamura. — Publ. July 



25th, 1916. 



Art 5.— On some Japanese calcareous sponges belonging to the 

 family Heteroplidae. With 2 plates. By I. Hôzawa. -Publ. 

 September 30th, 1916. 



Art. 6. — Injection Experiments on Plants. With 2 plates. By Y. 

 Yexdo.— Publ. May 15th, 1917. 



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PRINTED BY THE SANSHU-SHA, TOKYO. 



