CONTENTS: 



Pagi 



Notes on a Collection of Fishes made by Prof. Ijima in the 

 Southern Parts of Sakhalin. 



By S. Tanaka 235 



On the Swimming Habit of a Japanese Enteropneust, Glandiceps 

 hacksii Marion. 



By I. Ikeda 255 



Note on a New Deep-Sea Echiuroid, Protoboncllia Mitsnkurii, 



. " /■ ' I ' ;\-. K'ifBy-..;-; ■' -r.v 

 nov. g. et now sp, 



By I. Ikeda 259 



Some Experiments on Cell-division in the Egg of Cercbratiilns 

 lacteus. 



By N. Yatsu S ... ... 267 



Uber eine neue Gattung von Süsswasserbryozoen (Sfeß/iatielia 

 n g-) 



Von A. Oka 277 



On the Specific Identity of the Scorpion-Spider of the Loochoos 



and Formosa. 



By T. IwAKAWA 287 



On Two Anomalies of Wing-marking in Ptcrodccta Fe/deriBiem. 



By T. Miyake 293 



On the Breeding Ilabit and Development of Nereis japonica ft. sp. 



By A. Izuka 295 



