154 MR JAMES COSMO MELVILL AND MR ROBERT STANDEN ON THE 



Hab. — Trawl, Reitz Bay, trap, 5 fathoms ; and in Saldanha Bay, 5 fathoms, 

 May 20, 1904. 



Cominella limbosa (Lam.). 



Hab. — Trawl, Saldanha Bay, 25 fathoms; and shore, Hontjes Bay. 



Patella compressa, L., var. miniata, Born. 



We cannot dissociate this species from P. umbella, Gmelin. It is a species that 

 varies its form in accordance with its habitat. 



Hab.— Trawl, 25 fathoms, Saldanha Bay, May 21, 1904. 



Patella (Scutellastra) granatina, L. 

 Hab. — Shore, Hontjes Bay. 



Patella (Scutellastra) oculus, Born. 



With the last. These two handsome and similar species possess well - denned 

 characters differentiating them from each other, but, though they usually occur 

 together, have not yet been noticed to hybridise. 



Helcion pectinatum (Born.). 

 Hab. — Shore, Hontjes Bay, Saldanha Bay. 



Fissurella mutabilis, Sowerby. 

 Hab. — Trawl, 25 fathoms, Saldanha Bay. 



Megatebennus scutellum (Gmelin). 

 Hab. — Trawl, Saldanha and Hontjes Bays. 



BIBLIOGRAPHY. 



The following are the chief papers and treatises bearing on the Antarctic marine Molluscan fauna 

 published from 1877 to 1907, inclusive: — 



1877. Smith, Edgar A., " Mollusca," in Zoology of the Transit of Venus Expedition, London, 1877, 4to, 



26 pp., pi. ix. [Kerguelen Island. Thirty-five species of marine Mollusca enumerated, and many 



described.] 

 1879. Smith, Edgar A., Kerguelen Island: the known Mollusca, 13 marine Bivalves, 26 Gastropoda, and 



1 Cephalopod enumerated, and their typographical and bathymetrical distribution pointed out : 



Phil. Trans. Roy. Soc. Lond., clxviii., pp. 157-192. 

 1879. Studer, T., Arch.f. Nat., xlv., pp. 127-129. 

 1885. Smith, Edgar A., "Report on the Lamellibranchiata collected by H.M.S. Challenger during the 



years 1873-76," in Reports on the Scientific Results of the Voyage of H.M.S. Challenger : Zoology, 



xiii., pt. xxxv., pp. 341, pi. xxv. 



