CONTENTS. 



PAGE 



The Opisthobranchiata of South Africa. By R. Bergh 1 



A New Species op Plmiocera (P. Gilchristi) prom South 

 Africa. By Lydia Jacubowa 



New Forms op the Hemichordata prom South Africa 

 By J. D. F. Gilchrist ...... 



On a Parasitic Copepod prom Cephalodiscus. By W. T 

 Calman ......... 



145 



151 



177 



On the Genus Botellina (Carpenter), with a Description 



OP A New Species. By F. Gordon Pearcey . . 185 



