132 JAPANESE MOLLUSKS, LUCINACEA. 



Kellia undulata C,\d. Otia Conch., p. 173. 



Kagoshinia (Stimpson). 

 Kellia japonica n. sp. PI. Ill, figs. 18, 10. 



Shell quadrate-rounded, subequilateral, inflated, olive-straw col- 

 ored around the basal and end margins, becoming corneous on the 

 convexity and beaks, this portion dark bluish-brown when the soft 

 parts are dried in. Surface shining, witli delicate growth-striae. 

 Beaks rather prominent, contiguous, slightly anterior; hinge and 

 basal margins slightly curved. Interior white, bluish in the cavity. 

 Teeth as in K. laperoiisii but rather stronger, the cardinals squarer, 

 the posterior lamella strong, short, high and triangular. Length 

 12, alt. 10 5, diam. 6'5 ram. 



Japan (F. Stearns). 



It is less elongated than the nearly allied K. laperousii with less 

 oblique cardinal teeth. 

 Montaouta divaricata GUI. Otia Conch., p. 173. 



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



Lasea rubra Mont. Journ. Linn. Soc, XIV, p. 420. 



Corea Strait (St. John) ; Nagasaki (Lischke). 

 Lepton subrotundum Dkr, Index, p. 219, ]>!. 14, f. 12, 13. 



Tokyo (Dkr.). 

 Lepton japonicum A. Ad. Ann. Mag., 1862, p. 228. 



Tabu Shima (Ad.). 



Lepton sulcatulum Jeffreys. Journ. Linn. Soc. Zoo]., XIV, p. 420. 



Corea Strait (St. John). 

 Thecodonta sieboldi A. Ad. Ann. Mag., 1864, p. 309. 



Goto Is. (A. Ad.). 



(^Lucinacea). 

 DIPLODONTID.ffi. 

 Diplodonta semiaspera Phil. Archiv, f. Naturg., I, 1836, p. 225, pi. 7, f. 2. 



Nagasaki (Dkr.). Lucina orhella Gld. which Dkr. quotes as a 

 synonym is a totally distinct Diplodonta. Probably Dunker's shells 

 are the same as the following species. Lischke quotes D. orbella 

 from Nagasaki, Bay of Yedo and Yokohama. 



Diplodonta (? semiaspera var.) japonica. PI. Ill, figs. 6, 7. 



Anterior end more produced and more narrowly rounded than in 

 semiaspera; binge straighter, narrower; anterior half (or less) of 



