364 the proceedings of the linnean society 



Family Planaxid^e. 



9. — Planaxis sulcata. 



Planaxis sulcata, Lam. Anim. Sans. Vert., tome 7, p. 51. 



„ sulcatus, Chenu. Manuel de Conch., part 1, p. 303, 



fig. 2143. 



Hab. Dungeness and Darnley Islands, Torres Straits. 



10. — Planaxis zonata. 



Planaxis zonata, A. Adams, Proc. Zool. Soc. London, 1851, 

 p. 271. 



Sab. Nepean Island, Torres Straits ; found on the reef under 

 coral. 



11. — QUOYI DECOLLATA. 



Planaxis decollatus, Quoy and Gaimard, Voy. d l'Astrolabe, 

 vol. 2, pi. 33, fig. 33-34. 



Quoyi decollata, Chenu. Manuel de Conch, part 1, p. 304, fig. 

 2147. 



Bab. Darnley and Long Islands, Torres Sti-aits. 



Family Rissoid.e. 

 12. — Rissoina clatharata. 



Rissoina clatharata, A. Adams, Proc. Zool. Soc. London, 1851, 

 p. 265. 



Hab. Darnley Island, Torres Straits; 15-20 fathoms, sandy 

 bottom. Oualan, or Strong's Island ; found on the reefs under 

 coral. 



13. — Rissoina nodicincta. 



Rissoina nodicincta, A. Adams, Proc. Zool. Soc. London, 1851, 

 p. 266. 



Hab. Albany Passage, Cape York, North Australia, 11 

 fathoms, sandy mud bottom. Darnley Island, Torres Straits, 

 25-30 fathoms, white sand bottom. Katow, New Guinea, 8 

 fathoms, sandy mud bottom. 



