318 THE PROCEEDINGS OF THE LINNEAN SOCIETY 



of a brownish yellow. Bet Island, Torres Straits, 11 fathoms, 

 sandy bottom ; one specimen found having the ribs more rounded 

 and not flat. 



27. — Cerithium ? sp. 

 Hab. Cape York, North Australia, 6 fathoms, sandy mud 

 bottom. Three specimens were found dead and sea worn. 



28. — Cerithium. ? sp. 



Hab. Cape Grenville, North Australia, 15 fathoms, mud. 

 One specimen found, dead and sea worn. 



29. — Vertagus vulgaris. 



Murex vertagus, Linn. Gmel., p. 3560, No. 133. 

 Cerithium vertagus, Lam. Anim. Sans Vert., tome 7, p. 73. 



Brug. Enc. Meth., pi. 443, fig. 2. 

 Vertagus vulgaris, Schumacher. 



Hab. Palm Island, North-east Australia ; found on the reefs. 

 Darnley Island, Torres Straits. 



30. — Vertagus fasciatus. 



Cerithium fasciatum, Brug. Enc. Meth., p. 474, No. 3. 



?) „ Lam. Anim. Sans Vert., tome 7, p. 73. 



n „ (Vertagus) Sowerby, Thes. Conch., vol. 2, 



p. 849, pi. 176, fig. 6 to 10. 



Hab. Darnley Island, Torres Straits ; found on sandy mud 

 flats inside the reefs, at low water. 



31. — Vertagus pulcher. 



Vertagus pulcher, A. Adams, in Sowerby Thes. Conch. 



Cerithium pulchrum (Vertagus), Sowerby, Thes. Conch., vol. 2, 

 p. 852, pi. 177, fig. 25. 



Hab. Low Island, Trinity Bay, Northeast Australia. One 

 specimen found on the reefs. Nickol Bay, North-west Coast of 

 Australia (Brazier). 



