124 MR JAMES COSMO MELVILL AND MR ROBERT STANDEN ON THE 



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

 May 20, 1904. 



Cominella limbosa (Lam.). 



Hob. 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. 



Hob. 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 - defined 

 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 faun"* 

 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 



clfscribed.] 

 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. Land., clxviii., pp. 157-192. 

 1879. STUDBR, T., Arcli. f. Nat., xlv., pp. 127-129. 

 1885. SMITH, EDGAR A., "Report on the LameHibranchiata collected by H.M.S. Challenger during the' 



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



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



(ROT. soc. EDIN. TRANS., VOL. XLVI., 154.) 



