ERRORS AND CORRECTIONS. 



Page 68, fifth line from bottom: — For S. posidonia read 

 S. posidonialis. 



Page 80, eleventh line from bottom, should read : — 

 Australian waters." I have a specimen collected by myself 



Page 85, first line of table: — Por Callochiton read 

 Callistochiton. 



SHUN 



mm H 





