132 JAPANESE MOLLU8K8, LUCINACEA. 



Kellia undulata Gld. Otia Conch., p. 173. 



Kagoshima (Stimpson). 

 Kellia japonica n. sp. PI. Ill, figs. 18, 19. 



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, with 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. laperousii but rather stronger, the cardinals squarer, 

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

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



Japan (F. Stearns). 



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

 oblique cardinal teeth. 

 Montacuta divaricata Gld. 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, pi. 14, f. 12, 13. 



Tokyo (Dkr.). 



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

 Tabu Shima (Ad.). 



Lepton sulcatulum Jeffreys. Journ. Linn. Soo. Zool., XIV, p. 420. 



Corea Strait (St. John). 

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



Goto Is. (A. Ad.). 



(Lucinacea). 

 DIPLODONTIDJE. 

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



Nagasaki (Dkr.). Lucina orbella 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; hinge straighter, narrower; anterior half (or less) of 



