CONTENTS. 



(Published July 7th, 191 8). 



Page 



C. L. HUBBS. Supplementary notes on flounders from Japan with 



remarks on the species of Hippoglossides 369 



H. Ohshima. Notes on the development of Cucumaria echinata. 



With Pl. V. . . ..• 377 



M. Takeshita. A centipede with an abnormal antenna 389 



A. Oka. Ein neuer Fall von der Ausstossung der Eingeweide bei 



den Ascidien 393 



A. Oka. Megalodicopia hians, eine sehr merkwürdige Ascidie 



aus dem japanischen Meere 399 



N. YanagI & Y. Okada. On a collection of Japanese Cheilos- 



tomatous Bryozoa I. With Pl. VI. 407 



M. Yeri & T. Kaburaki. Bestimmungsschlussel für die japan- 

 ischen Polycladen . . 431 



T. Kaburaki. Notes on Japanese Triclads. II. 443 



T. KOMAI. On ctenophores of the neighbourhood of Misaki. 



With PL VII. 451 



H. Matsumoto. On a collection of Ophiurans from the Vicinity 



of Kinkwasan, with description of a new species 475 



S. UCHIDA. Mallophaga from birds of the Ponapé I. (Carolines) 



and the Palau Is. (Micronesia) 481 



N. KURODA. Notes on Corean and Manchurian birds 495 



