232 PROCEEDINGS OF THE ACADEMY OF 



Cyclas pustula, Costa. 

 Cycladina clandestina, Costa. 



Yar. Kellia lactea, Brown, 111. Brit. Conch. 106, t. 42, f. 10, 11. 

 Europe, Canary, Isles, Massachusetts, Aracan 

 (Hanley), Mazatlan (Carpenter). 



30. K. subrugosa, Souverb. Jour. Conch, xi. 286, t, 12, f. 7. 1863. 



Neiv Caledonia. 



31. K. subtrigona, Jeffreys, Ann. and Mag. Nat. Hist. 42, t. 2, f. 1. 

 1858. Brit. Conch, ii. 228. 1863. 



England. 



32. K. tellinoides, Hartley, Zool. Proc. 340. 1856. 



Philippines. 



33. K. undulata, Gould, Bost. Proc. viii. 33. 1861. 



Kagosima. 



34. K. Zebuensis, Desh. Zool. Proc. 182. 1855. 



Genus CYCLADELLA, Carpenter. 

 Zool. Proc. 270. 1865. 



1. C. papyracea, Carp. Zool. Proc. 270. 1865. 



Philippines. 



Mazatlan. 



Genus PYTHINA, Hinds. 

 Zool. Voy. Sulphur. 70. 1844. 



1. P. arcuata, A. Adams, Zool. Proc. 47. 1856. 



Indian Ocean. 



2. P. compacta, Gould {Kellia), Bost. Proc. viii. 33. 1861. 



Hab. ? 



3. P. Cumingii, A. Adams, Zool. Proc. 47. 1856. 



Indian Ocean. 



4. P. Deshayesiana, Hinds. Voy. Sulphur. 70. 1844. 



H. & A. Adams, Genera iii. t. 114, f. 9. 



5. P. Desiiayesii, Orb. et Recluz. Rev. Zool. 299, 325. 1844. 



So. Australia. 



6. P. Mactroides, Hanley, Zool. Proc. 340. 1856. 



Cape Good Hope. 



7. P. nuculoides, Hanley, Zool. Proc. 341. 1856. 



Society Islands. 



8. P. paula, A. Adams, Zool. Proc. 47. 1856. 



9. P. peculiaris, A. Adams, Zool. Proc. 47. 1856. 



Indian Ocean. 



