SIGAKETUS.- Plate I. (Thes. pi. 441.) 



Fig. 



1, 16, 17. NERiTOiDEUS, sp. 2, Liun. — var, f. 1, latifaa- 



ciatus. Ad. and Eve. ; haliotoideus, Sowb. Genera, Rve. 

 not Linn. — Straits of Malacca, Isl. Bureas, Philip- 

 pines. 



2, MACULATUS, sp. 16, Say. American Conchology, pi. 25.— 



Florida. 



3, 4. Javanicus, sp. 3, Gray.— Griffith's Cuvier, An. King. 



pi. 41, f. 1. — insGidptua, Ad. and live. — Java, Isl. 

 Bureas, Philippines. 



5. 31, 32. HALIOTOIDEUS, sp. 15, Linn. (Helix). — inckus^ 



Rve. — Straits of Malacca. 



6. CuviEEiANUS, sp. 8, Recluz. — 111. Con. Sigaretus, pi. 2, 



f. 2. 



7. zoNALis, sp. 9, Quay (Cryptostoma), Voy. Art. 2, p. 221, 



p. 66, bis, f. 1-3. — S. Australia and Tasmania. 

 8-11, 18, 19. coNCAVUS, sp. 8, Lamk. — Gray I, Desh. lati- 

 fasciatus, Rve. C. I. not Ad. and Eve. Voy. Sam. — 

 Cymba, Menke ; Maxima, Phil. — Callao Bay, Peru. 



12, 13. L^.viGATUs, sp. 5, Recluz. — 111. Con. Sig. pi. 2, f. 9, 

 10. — Isl. Luzon, Philippines. 



14, 20, 21, 22. Delessertii, sp. 6, Recluz. — III. Con. Sig. 



fol. 3, f. 8. — var. Lama7'kianus, Recluz. — Isl. Luzon, 

 Philippines. 



15, 46, 47. AusTRALLS sp. 7, Hardey. — Young Concholc- 



gist's Book. — S. Australia and Tasmania. 



