234 Mr. A. Adams on the Sjjecies of 



10. Dosinia penicillata, E,ve. [Artemis)^ Conch. Icon. pi. 6. f. 32. 

 Hab. Tsus-Sima, Oki Islands. 



11. Dosinia Traillii^ A. Ad. Proc. Zool. Soc. 

 Hah. Yokohama. 



12. Dosinia isocardia, Dkr. [Artemis) ^ Phil, Abbild. Conch. 



Cjth. pi. 8. f. 5 ; Rve. Conch. Icon. Artemis^ pi. 1. f. 1. 



Ilah. Tatiyama. 



13. Dosinia lirataj Sow. (Artemis), Thes. Conch. 

 Hab. Gotto, 48 fathoms. 



14. Dosinia gihha, A, Ad. 



D. testa orbiculari, cordata, tumida, lutescenti-albida, solida, concen- 

 trice costellata, costellis subdistantibus, in fasciculos dispositis, ad 

 umbonibus subtilissime striata ; area ligamenti simplici, lunula 

 perampla, cordata, superficiali. 



Hah. Tatiyama. 



A species more tumid than any described, with the exception 

 of D. isocardia. The concentric ribs are rounded and collected 

 together in bundles, and the lunule is conspicuous, superficial, 

 and narrowly heart-shaped. 



Genus Cyclina, Desh. 



1. Cyclina chinensis, Chemn. [Venus), Conch. Cab. pi. 171. 



f. 1663. 



Venus sinensis, Gm. 

 Cyprina tenuistria, Lam. 

 Artemis sinensis, Rve. 



Hah. Tsus-Sima. 



2. Cyclina orientalis, Sow. [Artemis), Thes. Conch, pi. 144. 



f. 79. 



C, pectunctflus, Roem. 

 Hah. Tsaulian, Tsus-Sima. 



3. Cyclina Jlavida, Desh. Cat. Conchif. Brit. Mus. p. 31. 



C. bombycina, Roem, 

 Hah. Tsus-Sima. 



Subfam. Tapesin^. 

 Genus Tapes, Schum. 



1. Tapes exarata, Phil. [Pidlastra), Abbild. Conch, pi. 5. f. 6 ; 

 Sow. Thes. Conch, pi. 145. f. 18. 

 Hah. Kuro-Sima. 



