sr.vTHA 1 315 



earlier growth, shining : hinge with a vestigial, curved, com- 

 pressed tooth in the left valve a little in front of the beak and 

 a corresponding depression in the right valve, which is cov- 

 ered with epidermal matter ; muscle scars impressed ; there 

 are two large ones in the anterior end of each valve and one iii 

 each posterior end ; one large deep dorsal scar in each valve 

 at or behind the beak ; nacre generally coppery, iridescent. 



Length 140, height 87, diam. 45 mm. 



Length 114, height 74, diam. 40 mm. 



Length 107, height 68, diam. 40 mm. 



Length 130. height 75, diam. 40 mm. 



Nile ; Niger ; Senegal ; other points in West Africa. 

 Anodonta rubens Lamarck, An. sans. V^ert., VL 1819, p. 85. 



— Caili.iaud, Voy. a Meroe, IV, p. 262 ; Atlas II, 1826, pi. 



i,x, fig. 12. — x\uDOUiN, Savigny's Exp. de I'Egypte, Co- 



quilles. 1827, pi. vii. — Deshayes, Enc. Meth., n, 1827, p. 



147. pi. ccr, figs. I, ih. 

 Iridina rubens Rang, Nouv. Ann. ]\Ius., 1835, p. 314. 

 Platiris (SpatJia) rubens Lea, Syn., 1838, p. ;^^ ; 1852, p. 55 ; 



1870, p. 89. 

 SpatJia rubens Clessin, Conch. Cab. Ano., 1853, pi. vii, fig. i ; 



1876, p. T85, pi. i,XT, fig. T. — H. and A. Adams, Gen. Rec. 



Moll., n, 1857, p. 507.; IIL pi. cxix, figs. 3, 3a. — Chenu, 



Man., 185Q, JL p. I-l8, fig. 729. — Simpson, Syn., 1900, p. 



896. 

 Anodon rubens Sowrrp.y, Conch. Icon., XVII, 1867, pi. ir, 



fig:- 5- 



Anodonta clapperfnni Kcenig, Duchane and Clapperton's Trav- 

 els, 1826. 



Anodonta splendens Dk Cristofori, Crist, and Jan. Cat., 

 1832 (?). 



Iridina solida Anton, Verz. der Conch., 1839, p. 16. 



Anodonta solida Kuster, Conch. Cab. Ano., 1853, p. 50, pi. 

 xir, fig. I. 



Spatha liissniani von Martens, S. B. Nat. Fr., 1883, P- 73 ' 

 Conch. Mitth., Ill, 1885 (?), p. 139, pi. xxvir. 



Spatha rubens var. ivisnianni Germain, Bull. Mus. Hist. Nat., 

 1907, p. 351 : Arch. Zool. Exp. et Gen., (5), I, 1909, p. 55. 



