Trochus. 157 



2843 1 sp. Bengalia. 



2844 2 asper Ch. Guinea? 



T. asper (agrestis) Ch. V, 



1852 Gm. 

 T. perlatus Gm. 

 T. cingulatus Link. 

 T. quadricarinatus Ch. XI. 

 M. tricarinata Lam. 

 Cidaris granulata Bolt. 



2845 2 sp. Ind. or. 



mqnodonta Eiam. 



2846 6 labeo L. — 



2847 2 "^ var.? 



2857 1 sp. ? 



2858 4 jujubinus Gm. Antill. 



T. lunatus Bolt. 



