NATICA.— Plate VI. (Thes. pi. 457.) 



Fig. 



68. MAMTLLAEis, sp. 67, Lmnarck, An. s. vert. — West 



Indies. 



69. PLTJMBEA, sp. 74, Lamarck, An. s. vert. — sordida, Sw. ; 



raicrostoma, Quoy. — Brisbane Water, East Coast of 

 Australia. 



70. PERSPicuA, sp. 71, Recluz, Petit Journ. Conch, vol. i. 



p. 370, pi. 14, f. 1, 2.— Mouth of the Oregon River, 

 Upper California. 



7 1 . siMi^, sp. 1 34, Chemnitz, Desh. An. s. vert. — simioides, 



Recluz. — Philippines. 



72. MELANOSTOMA, sp. 131, Gmelin, Linn. Syst. — maura, 



E. M. ; opaca. Reel. — Seychelle Islands. 



73. ZANZEBARICA, sp. 132, Recluz, Proc. Zool. Soc. 1843, p. 



213. — adusta, — ? — Zanzibar. 



74. FiLOSA, sp. 137, Sowerby, MS. Mus. Cum. Rve. 72.~ 



Hab. — ? 



75. MACROSTOMA, sp. 140, PhiUppi, B. M. — Hab. — ?" 



76. succiNEOiDES, sp. 138, Reeve, Con. Icon. 73. — Isl. Luzon, 



Philippines. 



77. UMBiLiCATA, sp. 139, Quoy, Voy. Astrolabe. — Van Die- 



men's Land. 



78. MELANOSTOMOIDES, sp. 133, Quoy, Voy. Astrolabe, vol. 



ii. p. 229, pi. 66, f. 4-8. — New Guinea, New Ireland. 



79. Seb^, sp. 135, Souleyet, Voy. de la Bonite, pi. 35, 



f. 6, 7. 



80. Strangei, sp. 75, Reeve, Con. Icon. 81. — Port Jackson, 



South Australia. 



81. solida, sp. 77, Blainville, Malacologie, pi. 36, f. 8. — 



lupina, Chemn. ; melanostoma var. — ? — Isl. Zebu, 

 Philippines. 



