110 MaLLUSCA FROM THURSDAY ISLAND. 



Family LITTORINID^. 



Melaraphe scabra v. undulata Gray. 



s. M. undulata Gray. 



Family PLANAXID^. 

 Planaxis sulcatus Born. 

 Qtjoyia decollata Q. and G. 



Family HIPPONICIDiE. 

 HiPPONix ATJSTRALis Q. and G. 



Family CERITHIID.^. 

 Clava aspera L. 



* ,, seminuda Shy. 

 „ vertaga L. 



Cerithium column a is by. 



* „ FiLOSUM iSby. 



„ granosum Kiener =^^ximixjm Shy. 



=RUBUS Martyn. 

 ,, janellii Homb. db Jacq. s. petrosum 



Wood. 

 Finely figured by Hanley in the " Shells .of Linnaeus,'^ 

 figure 4, plate 4. 



One of the most variable of shells, often whole coloured, 

 at other times banded in red and white or brown and white. 

 *Cerithium janellii v. moniliferum Sby. 

 lemniscatum Q. dk G. 

 morus LamJc. 



,, V. bifasciatum Sby. 



„ V. variegatum Q. d: G. 



NOV^-HOLLANDI^ Sby. 



tenellum Sby. 

 TRAILII Sby. 

 *Pyrazus caledonicus Jonas. 

 This species can be separated from its allies by its 

 cylindrical shape, and 4 clathrated girdles on each whorl 

 except the body whorl. 



Pyrazus cingulatus Gmelin. 

 ,, layardi a. Adams. 



Cerithidea largillierti Philippi s. C. fortunei 



A. Ad. 



* Shells so marked are additions to Queensland lists. 



