CONTENTS. 



(Published January 30th, 1920). 



Pagb 



T. Komai. Notes on Coeloplana bocki n. sp. and its development. 



With s textfigures 575 



T. Komai. Preliminary notes on Gastrodes parasiticum Korotneff, 



with remarks on its systematic position. With 2 textfigures ' . 585 



M. Yeri & T. Kaburaki. Notes on two new species of Japanese 



Polyclads. With 5 textfigures 591 



N. KURODA. On a collection of Japanese and Formosan mammals. 599 



Y. Okada. Notes on some species of Retepora and Adeonella 

 occurring in Japan, with descriptions of one new variety and 

 five new species. With Pl. VIII and 7 textfigures 613 



S. Uchida. On a second collection of Mallophaga from For- 

 mosan birds. With 2 textfigures 635 



