﻿4IO ANODONTA 



There exist all the intermediate stages between the ty])e form 

 and this subspecies." (Haas.) 



Type locality, Yamashiro, Japan. 

 Anodontitcs la tit us tiiiiiois Haas, Ann. Mag. Nat. Hist., (8) 



\'I. lyiO. p. .\(}C). 



.•\nodonta japonica von Martens. 



Shell long- elliptical or subrhomboid, subinflated, rather 

 strong, the dorsal and ventral lines sometimes nearly parallel ; 

 Iieaks low and but little inllated, their sculpture consisting of 

 a number of bars, which nearly follow the growth lines ; pos- 

 terior ridge low and rounded, sometimes slightly double, and 

 in that case ending in a feeble biangulation behind ; the pos- 

 terior point is generallv a little below the median line ; surface 

 with line, irregular growth lines ; epidermis dark brownish, 

 often nearly black, lighter in the umbonal region, subshining, 

 in the young shell, often clouded with green and faintly rayed ; 

 nacre bluish-while or ]nirplish, sometimes salmon-tinted. 



Length 77, height 45, diam. 30 mm. 



Length y;^, height 44, diam. ;^^ mm. 



Japan. 

 Atiodonta iapoiiica xo.x Marti:ns in Clessin, Conch. Cab. Ano., 



1874, p. 144, pi. XLVii, figs. 3, 4. — KoBELT, Abh. Senck. Nat. 



Ges., XT, 1879, p. 436, pi. XXII, fig. 3. — VON Ihjjring, Abh. 



Senck. Nat. Ges., XVIH, 1893, p. 150, fig. 2. — Simpson, 



Syn.. 1900, p. 640. 

 Anodonta cellciisis Kop.ici.t. Abh. Senck. Nat. Ges., XL 1879. 



p. 437, pi. XXII, fig. 4. 

 Anodonta kobclti vnx 1iii:kiX("., .\bh. Senck. Xat. Ges., XX'ni, 



i8<)3, p. 152. fig. T. 

 Anodonta haconcnsis von Thkrinc., .\bh. Senck. Nat. Ges., 



XVHL 1893, P- I S3, fij?- 3- 



This species is rather a compact one. with low beaks, a dark, 

 -somewhat shining epidermis and l)right. variously tinted nacre. 

 Anodonta liacoitoisis von Ihcring. figured as ./. cclloisis by 



