254 MR. E. A. SMITH ON THE [Apr. 1, 



I. CEPHALOPODA. 



An undetermined species of Octopus and the shells of Argonauta 

 argo are mentioned by Mr. Melliss. The former " is plentiful in 

 the nooks and rocky holes on the coast, about high-water mark." 

 Tlie Argonauta is occasionally washed ashore at Sandy Bay, on the 

 south coast ; this species also occurs at the Cape, in the Mediter- 

 ranean, North Atlantic, Indian and Pacific Oceans. 



II. PTEROPODA. 



Shells of the following species' were dredged in 50 to 80 

 fathoms : — 



1. Cavolinia tridentata (ForskSl). 



2. Cavolinia longirostris (Lesueur). 



3. Cavolinia auADRiDENTATA (Lesueur). 



4. Cavolinia uncinata (Rang). 



5. Cavolinia gibbosa (Rang). 



6. Cavolinia inflexa (Lesueur). 



7. DiACRiA TRispiNOSA (Lesucur). 



8. Clio pyramidata, Linne. 



9. Styliola subula, Quoy & Gaimard. 



10. Styliola recta, Lesueur. 



1 1. Styliola virgata, Rang. 



12. Triptera columella, Rang. 



13. LiMACiNA BULiMOiDES, D'Orbiguy. 



14. LiMACiNA iNFLATA, D'Orbiguy. 

 1.^. LiMACiNA ANTARCTICA, Woodward. 



III. GASTROPODA. 



CoNUs TESTUDiNARius, Martini. 



Two specimens were obtained by Mr. Melliss. 



CoNUS IRREGULARIS, SoWClby. 



The specimens from St. Helena are of a shorter growth than those 

 figured by Sowerby (Thes. Conch, iii. pi. 104. figs. 418, 419) ; they 

 are broader at the shoulder and more suddenly contracted anteriorly. 

 They also are more highly painted, exhibiting a considerable amount 

 of olive-brown longitudinal streaks, which are interrupted at the 



' For the synonymy and clistribution consult Pelseneer's Eeport on the 

 rteropoda of the ' Challenger ' Expedition. 



