meltill & sykes: makine shells pkom the andamans. 229 



Summary. 



The record for the Marine MoUuscan Fauna of the Andaman Islands, 

 as shown in our three papers, now stands as follows : — 



No. I ... ... ... 97 species. 



„ 11 215 „ 



„ in 69 „ 



381 „ 



The principal genera in the enumeration, when the number of 

 species in each is computed, are Mitra, Nassa, and Terelra ; these, 

 with Oliva, were specially sought after by Mr. Booley, and no doubt 

 many other interesting forms await the explorer, particularly among 

 the more northern islands of the Andaman group, where, we are 

 informed, hardly any collecting has yet been done. Prom the 

 deep sea, however, beyond and around these coasts, and other parts 

 of the Bay of Bengal, the "Investigator" dredging expedition has 

 recently procured several new and wonderful abyssal forms, which 

 are being worked out by Mr. Edgar Smith. 



