CONTENTS. 



^f- 



Kingo Miyabe and Yushun Kudo.— Materials for a l^Iora «f Hok- 

 kaido X I 



Tokujiro Maekawa. — (^n the wild Ciirjsaiithemum of North Japan. 



l'l I) 8 



Yoshihiko Tochinai. — Studies on rhysiolo.i4y of FLisariuni lini 19 



(j\rticles in Japanese) 



Hanjiro Okamoto. — Ueber die drei Arten der Subt^attiinu; Oyamia 



(Plecoptera). (PI. II. | 45 



Satoru Kuwayama. — Studies on the Dilarid:v of Japan. (PI. III.).... 51 



Ryoichi Takahashi. — Orthoptera and Water S5 



