CONTENTS OF VOL. XXIII. VII 



MiOLLXJSCA. 



Page 

 Description of a new species of Nerita. By M. M. Sciiepman. — 



(With 2 figures) , 63. 



VERIMES. 



New species of the genus Euphrosyne from the Siboga-Expedition, with 



a Table of the species hitherto known. By Dr. R. Horst. . . . 213. 



COELENXERA^TA. 



On a case of Commensalism of a Fish [Amphiprion intermedius Schleg.) 



and a large Sea-Anemone {Biscosoma-%\)&c). By Dr. E. Horst. . . 180. 



Vol. XXIII was issued in parts in the following order: 



N° 1. — July 1901, Note I— VI. 

 N= 2. — December 1901, Note VII— XIV. 

 N° 3. — July 1902, Note XV— XXIII. 

 N° 4. — May 1903, Note XXIV— XXXIV. 



