134 JAPANESE MOLLU8K8, CHAMACEA. 



are more produced at each end, and the posterior dorsal angle espe- 

 cially is more produced and squarer than in edentula. Outside with 

 irregular growth-striae and traces of low radii, covered around the 

 edges with a thin, caducious light brown cuticle. Interior dead 

 white, sparsely asperulate in the cavity ; muscle impressions as in 

 edentula, but pallial line further removed from ventral edge of 

 valves. Length 56$, alt. 51, diam. 34$ mm. 



Inland Sea (F. Stearns, two specimens). 



These shells are far more equilateral than L. philippiana Reeve, 

 with less sinuous hinge line, slighter ligament plate, etc. The same 

 characters distinguish it from L. schrammi Crosse, Journ. de Conch., 

 1878, p. 328. 

 Myrtaea gibba, lamellate A. Ad. Ann. Mag., 1862, p. 225. 



Tsu-Shima (A. Ad.). 

 Myrtaea flmbriatula, obesula, decussata A. Ad. Ibid. Tabu-Shima (Ad.). 



Myrteea plioatula, ciroinata, delicatula A, Ad. Ibid. Mino-Shima, Strait of 

 Corea (Ad.). 



( Chamacea). 



CHAMIDJE. 

 Chama imbricate Broderip. Lischke, J. M. C., II, pi. 9, f. 4. 



Nagasaki (Lischke). 

 Chama ambigua Lischke. Jbid, p. 128, pi. 8, f. 2. 



Nagasaki (Lischke). 

 Chama semipurpurata Lischke. J. M. C., II, pi. 8, f. 1. 



Nagasaki (Lischke). One specimen collected by Stearns. 

 Chama dunkeri Lischke. J. M, C., II, p. 128, pi. 8, f. 3, 4. 



Nagasaki (Lischke). One specimen collected by Stearns. 

 Chama retroversa Lischke. J. M. C., II, pi. 9, f. 1-3. 



Nagasaki (Lischke). Numerous specimens of this well marked 

 species were collected by Mr. Stearns. 



Chama aspersa Reeve. C. Icon., f. 24. Japan (Rein). 



i 

 (Carditaceci). 



CARDITIDJE. 

 Cardita cumingiana Dkr. Dkr., Moll. Jap., p. 29, pi. 3, f. 18. 



Yokohama and Loochoo Is. (Stearns) ; Deshima, Nagasaki and 

 Tokyo (Dkr. and Lischke). 



