﻿394 ANODONTA 



The type of this .fine species was in the cabinet of the laie 

 Mr. C M. Wheatley and I have never seen a specimen which 

 I could refer tt) it. It is decidedly rhomboid, the posterior 

 slope beinj^- ()bli(|ii(.'ly truncated from the dorsal wing- nearly to 

 the base, and the anterior end is somcw hat cut awa\- below. 



Anouoxta DAKiKNSis Lea. 



Shell excessively variable, irregularly obovate, moderately 

 to greatly inflated, inequilateral, with high, very full beaks, 

 the unibonal swelling extending obliquely out as a posterior 

 ridge as well as in front of the ridge ; beak sculpture a few 

 ridges either running nearly parallel with the hinge line or 

 somewhat irregularly doubly looped : post-dorsal wing gener- 

 ally well developed ; posterior slo])e usually truncated oblique- 

 ly ; hinder end of the shell biangulate and on the median line ; 

 base somewhat angularly produced about one third of the way 

 from the ])osterior end ; epidermis usually bright greenish or 

 olive-tinted, sometimes banded and having dark rays on the 

 posterior slope ; rarely there are a few faint rays on the disk ; 

 outer part of the shell often sulcate ; nacre bluish or whitish, 

 tinted purple. 



Length to8, height 5S. diam. 47 mm. 



Length 147, height 82, diam. 70 mm. 



Length 105, height 54. diam. 42 mm. 



Length 97, height 61, diam. 54 mm. 



deorgia : North Florida. 



Type locality, Mopeton ; Swift Creek, Macon; Flint River, 

 Georgia. 

 Anodonta dariensis Lka, Pr. .\c. X. Sci. Phila., IL 1858, p. 



I3(j; Tl. Ac. N. Sci. Phila.. TV, i85(). p. 230. pi. xxviii, fig. 



()9 ; Obs., ML i85(), \^. 48. pi. xwiii. fig. 99. — Ci.kssin, 



Conch. Cab. Ano.. 1874, p. 118. pi. xxxvii. figs. 3, 4. — 



Simpson, Syn., 1900, p. 634. 

 Anodon dariensis Sowicki'.v, Conch. Icon., X\'II, 18^7, pi. 



will. fig. 70. 

 Mari:,aro)i f.lnodonta) dariensis Lica, Syn., 1870, p. 80. 



