c^33) m m m m m 



Nom. Jap. ? 

 Dist. Tabnshima (Ad.\ 

 (268.) lUfjrfea plieattila^ circinafa^ deUeafnla A. Ad, 



Ibid. 



Nom. Jap. ? 



Dist. Mincshima, Corea Strait (Ad.). 

 (269.) Cryptotlon fnrfon {\H'22) = (Aoci'nus SowB., 1823) Japo teas A. Ad. 



Ann. Mag., 1862, p. 227. 



Nom. Jap. ? 



Dist. Okosiri (Ad.). 

 (270.) Crupfoilcn oblosigtts pficnftts A. Ad. 



Ibid. 



Nom, Jap. ? 



Dist, Minoshima (Ad.). 

 (271.) €n/p1oi1on flextfostisMo^TF. 



Tryon's Struct. & Syst. Conch., pi, 119, f. 48. 



Nom. Jap. ? 



Dist. Corea Strait. 

 (272.) Monfacufn tJivarieata Gould. 



Otia Conch., p. 173. 



Nom. Jap. ? 



Dist. Hakodate, on the spines of a Spatangus (Stimpson). 



273. niplorlosifa Brown (1831) = Mj/s«Vi Leach (1819) Japonica Pils. 



Catal. M. M. J., p. 132, pi. 3, f. 6, 7. (as a variety of D. scmiaspera). 

 Nom. Jap. Yaeume (Kokkai ; Mokuhachi, III, 40). 

 Dist. Yokosuka (1566) ; Hirado (Hie.). 



274. JJiplodoiifa setitiasptra VH]L,. = JLucitta orheUa Gould. 



Arch. f. Naturg., I, 1886, p. 225, pi. 7, f. 2. 



Nom. Jap. Shiogama (Rokkai). 



Dist. Misaki (1567) ; Fukura (6139) ; Nagasaki (Dkr.) 

 ra (275.) J^iploflouffi arhella Gould. 

 '^ Boston Journ. Nat. Hist, Bd. 6, p. 395. pk 15, f. 8. 



Nom. Jap. ? 



Dist. Bay of Yedo, Yokohama, Nagasaki (Lisch.). 



