CALYPTR^D^.— Plate IV. (Thes. pi. 448.) 



Genus Ceucibulum. 



Fig. 



15-23. LiGNAKiUM, sp. 3, BrodeHp, Trans. Zool. Soc. vol. i. — 

 Cal. rugosa, Deshayes not Lesson. — var. f. 19, 20, 

 spectrum, Rve.', var. f. 21, 22, trigonale, Ad. and Eve. 

 — Chiloe, Malacca, China seas. 



24, 27, 28, 30. tenue, sp. 4, Brod. Trans. Zool. Soc. vol. i. 



p. 199, pi. 27.— var. f. 24, ferrugineum, Rve. sp. 5. — 

 Pern, Conception Bay, Chili. 



25, 26. SERRATUM, sp. 5, Brod. Proc. Zool. Soc. 1834. — Eeal 



Llejos, Central America. 

 29. coNCAMERATUM, sp. 6, Rvc. C. Icon. sp. 23. — Hab. — ? 

 31, 32. PECTiNATUM, sp. 7, Carpenter^ Proc. Zool. Soc. 1856. 



— Gal. imhricata, Brod. not Sowb. — Peru. 

 33-36. CORRUGATTJM, sp. 8, Ccirp. Proc. Zool. Soc. 1856 ; Rve. 



No. 8. — violaceum. Carp. Z. P. 1856; auriculatum, 



Eve. not Chemn. — Ceylon, California. 

 37, 38. RADiATUM, sp. 9, Brod. (Cal.), Proc. Zool. Soc. 1834. 



— Bay of Caraccas. 



