﻿ANODONTA 4 ^ 3 



the- incurved line from the beaks to tlie anterior point, and all 

 have the same general form as harlandi and 1 now place them 

 here. A. pnmila is probably a young shell of this species. 



Anodonta gloi^osula (Heude). 



Shell short elliptical, greatly inflated, subequilateral, with 

 full, high beaks, which are strongly sulcated ; posterior ridge 

 high, subangular, ending in a point below the median line; 

 do^rsLl wing low, angular behind ; dorsal anterior line nearly 

 straight, ending in front in an angle ; surface slightly sulcated ; 

 nacre whitish with violet border. 



Length 70, height 45, diam. 50 mm. 



Rivers and lakes of the basin of Houai. China. 

 Anodon ^i:lohosnla Hf.ude. C. F. Xank.. l\\ 1878. pi. xxv, fig. 



54- 

 Anodonta idobosnla Simpson, Syn., 1900, p. 640. 



Heude sa\s nothing regarding the color or degree of solidity 

 of his shell. It is remarkable for having a greater diameter 

 than height, and for the white nacre bordered with violet. 



Anodonta ruscaphys (Heude). 



Shell somewhat elongated, irregularly elliptical, inflated, 

 strong, somewhat inequilateral, with full, high beaks, whose 

 sculpture consists of numerous regular ridges that nearly fol- 

 low the growth lines ; posterior ridge strongly developed, de- 

 cidedly angled, ending behind a little below the median line ; 

 base line nearly straight, a little inflated behind the middle ; 

 upper anterior part angled ; growth lines strong and irregular ; 

 epidermis ashy or smoky brown, having darker bands ; nacre 

 bluish-white. 



Length 85, height 40, diam. 36 mm. 

 Tcheu-Kiang, southwest China. 

 . Anodon ciiscaf^liys Hkudk, C. F. Nank., \'. 1879, pi. xxxv, f^g. 

 68. 

 Anodonta ciisca/^liys P.KTKi.. C. Sam.. IIL i8()o. p. 179.— Simp- 

 son. Syn., 19a), p. 640. 



