CONTENTS: 



Page 



Aphanibranchion, eine neue Synascidiengattung aus Japan. 



(With Pl. XIII.) Von Dr. A. Oka 253 



A Few Cases of Meristic Variation in the Common Toad and an 



Isopod. By S. Goto 267 



On a Case of Collateral Budding in Syllid Annelid {Jrjrp'anosyUis 



misakiensis n. sp.). By A. Izuka 283 



