28 CO^CHYLW—DITHYRA. 7. 



verbial for poverty and synonymous with wretchedness, Iropau- 

 perior, " as poor as Job :" and so the poet — 



" Jrus et est subito qui modo Croesus eraV — He is suddenly 

 become as poor as Job, who was lately as rich as Croesus. 



7. VENERUPIS— i^M^ilCjK. 



Testa transversa, fequivalvis, intequilateralis, latere antico 



hiante. Cardo dentibus tribus elongatis approximatis 



parallelis, unico minore : lateralibus nullis. JLigamentum 



externum. 



Siiell transverse, equivalve, inequilateral, open at the anterior 



end. Hinge with three elongated teeth in each valve, all close 



together and parallel, one of them smaller : lateral teeth none. 



Ligrament external. 



The tribes which are exclusively the inhabitautsof the interior of 

 submarine rocks, or which are closely attached to them, we have 

 been induced to bring together, as preserving among themselves 

 a kind of natural alliance. To the Venus family this is certainly 

 very similar in many respects, but the teeth are different, and it 

 most generally gapes at the anterior end. 



