il 



Contents. 



Vorläufige Mitteilung über einige neue japanische Primnoid-Koral- 



len. Von K. Kikoshita 229 



Part IV, 



(Published June 20, 1908.) 



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



Southern Parts of Sakhalin. (With Pl. IX). By S. TaNAKA. 235 

 On the Swimming Habit of a Japanese Enteropneust, Glandiceps 



haeksii Marion. By I. Ikeda 255 



Note on a New Deep-Sea Echiuroid, Protoboncllia Mitsukurvi, nov. 



g. et. nov. sp. By I. Ikeda 259 



Some Kxperiments on Cell-division in the Egg of Cerebratulus 



lacteus. By N. Yatsu 207 



Uber eine neue Gattung von Süsswasscrbryozocn (Stephcmella n. g.J. 



(Hierzu Taf. X). Von A. Oka 277 



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



Formosa, (With Pl. XI). By T. Iwakawa 287 



On Two A noun lies of Wing-marking in Pterodccta Felderi Brem. 



By T. Miyake. , 293 



On the Breeding Habit and Development of Nereis japoniça n. sp. 



By A. Izuka 2'.)5 



Part V. 



{Published Dec 17, 19Ô&). 

 New and Unrecorded Species of Rhop.ilocera from Formosa. By A. 



E. WlLKMAN 307 



A I fanl- List of the Birds of Japan. By M. On uva 337 



