﻿LEGUMINAIA 449 



This species is almost evenly rounded at both ends, the 

 hinder being a very little wider. It is apparently a good deal 

 thinner and more sulcate than mardinensis, tripolitana or 

 ivheatlcyi and differs from all of the species in being almost 

 black. 

 Leguminaia michonii (Bourguignat). 



Shell elliptical, convex, thin, inequilateral; beaks scarcely 

 full or elevated, with wrinkled sculpture ; surface concentric- 

 ally sculptured; epidermis green, with darker green rays; 

 hinge with a single compressed, smooth tooth in each valve, 

 that in the left under the beak, that ot the right in front of it; 

 laterals wanting. 



Length 30, height 35, diam. 15 to 17 mm. 



JafTa, Syria. 

 Unio michonii Bourguignat, Test. Nov.. 1852, p. 2y ; Cat. 



Rais., 1853, p. 74, pl. in, figs. 10-12. 

 Pseudodon michonii Conrad, Am. Jl. Conch., I, 1865, p. 233. 

 Margaritana michonii P.^JTEL, Conch. Sam., Ill, 1890, p. 173 . 

 Leguminaia michonii Westereund, Faun. Pal, II, Pt. 7, 1890, 



p. 190. — Simpson, Syn.. 1900, p. 652. 



This species has much the same form as L. saiilcyi, being 

 almost evenly rounded before and behind, but it is not so long 

 in proportion to its height, is apparently thinner and is rayed. 



Section Pseudoleguminaev Genr.ain. 191 1. 



Psendolcgnminaia Germain, Bull. Mus. Hist. Nat., 1911, p. 



66. 



Shell nearly evenly elliptical, somewhat intlated, rather thin, 

 subtransparent ; beaks near the center, rather full, curved for- 

 ward, with irregular undulations ; epidermis bright yellowish- 

 brown : nacre brilliant ; pseudocardinals very obtuse, rather 

 prominent and thick. 



Type, Pseudodon chantrci Locard. 



Leguminae\ locardi Simpson. 



Shell elliptic rhomboid, being very slightly truncatedon the 

 posterior slope, almost equilateral, convex, rather thin, and 

 subtransparent; beaks full and slightly elevated, turned for- 



