CALYPTE^D^.— Plate I. (Tlies. pi. 445.) 



Genus Calyptra. 



Fig. 

 1, 2. EQUESTKis, sp. 1, Linnwus. — Indian Ocean, Linn. & 



Lam.; Philippines, Cum. 

 3, 4, 35. ciCATKicosA, sp. 2, ReGrr>, C. I. 3. — var. f. 4. 



Adamsii, Eve. ; depressa, Ad. & Eve, not Lam. — 



Philippines. 

 5, 6, 7, 35, 36. cepacea, sp. 9, Broderip, Trans. Zool. Soc. 



vol. i. pi. 67, f. 4. — cyathella, Eve. ; varia and cornea, 



Brod. ; planulata, C. B. Ad. — Bay of Guayaquil, 



Gallapagos, Lord Hood's Island. 



8, 9. sacchakimeta, sp. 6, Rve. C. I. — Philippines. 

 10-15. alba, sp. 12, Martini, C. Cab. vol. i. t. 13, f. 117, 



118. — Tortilis, Martiniana, 10, 11; diaphana, 12; 



balanoides, 14, 15, Eeeve. — Philippines. 

 16, 17. PAPTKACEA, sp. 13, A. Ad. — Philippines. 



18. BULLA, sp. 8, Rve. C. Icon. — Zebu, Philippines. 



19, 20. DOKMiTOKiA, sp. 3, Rve. C. Icon. sp. 5. — ossea (f. 53), 



Rve. C. Icon. sp. 19. — Isl. Burias, Philippines. 

 21, 22. CANC3LLATA, sp. 15, Ad. and Rve. Voy. — Samarang, 

 China. 



23. ALVEOLATA, sp. 16, A. Adams, Rve. C. Icon. — Galapagos. 



24, 25, 26. HippoNiciFORMis, sp. 20, Rve. C. Icon. 26. — 



radiosa, Gld. ? 



