The N on- Marine Mollusca of Portuguese East, Africa. 



215 



Prime's original note was " Compared with Corb. radiata, this species 

 is less globose, not so inflated, the beaks are not so tumid, the striae are 

 closer, and the colour of the epidermis is different." 





Text-fig. 50.—Corbicula hrki Prime. Type in U.S. National Museum ; X 1. 



