CONTENTS OF VOL. f. 

 $2.00==8s=F10=M8. 



PAKTES I et H. 

 (Tab. ¥—111 I 



Introductory K. Mjtsdkuki. 



Pear-borer (Nephopteryx rubrizouella, Rag.) With Pl. I M. Matsumüka. 



Ou Two New Species of Asthenosomi from S.igami Sea. With Pl. II. ... S. Yoshiwab \ 



ChaetognathsofMisakiHarbor.WitliPl.nl T. An. a 



On the Accommodation of Some Infusoria to the Solution of Certain 



Substances in Various Concentrations A. Y asuda. 



On Changes which are found with Advancing Age in the Calcareous 



Deposits of Stichopus Japonicus, Selenka K. Mitsukuri. 



Kevision of Hexactinellids with Diseoctasters, with Descriptions of Five 



New Species I. I.tima. 



Miscellaneous Notes. 



l'A KS. Ill 

 (lab. IV-V11.) 



On a Mode of the Passage of the Eye in a Flat-fish T. Nishikawa. 



On the Growth of the Ovum in Cha?toguaths. With Pl. IV T. Aida. 



Notes on the Paludina-Species of Japan. With Pi. V T. Iwakawa. 



Dendrocoryne, Inaba, Vertreterin einer neuen Familie der Eïydroine- 



dusen. Mit Taf. VI S Goto. 



On New Species of Malacobdella (M. japonic ii. Wit li Pl. VII U. Takakuba. 



Notes on the Breeding Habit and Development of Khacophorus 



Schlegelii, Günther S. Iked a. 



Miscellaneous Notes. 



PARS. IV. 



Note on an Amphioxus obtained in Amakusa, Kyushu H. Nakagawa. 



On a New Species of Elasipodi from Misaki K. Mitsukuiu. 



Preliminary Note on the Development of the Pronephros in Petromyzon. S. Hatta. 



Sur une nouvelle espèce japonaise du genre Lucernaria A. Oka. 



Sur une nouvelle espèce japonaise du genre Phoronis A. Oka. 



Miscellaneous Notes. Personal News. List of Publications received in exchange 

 for the Annotationcs, etc. 



