28 CONCHYLIA— DJTHFi?^. 7. 



verbial for poverty and synonymous with wretchedness, Iro paa- 

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



" Irus et est subito qui modo Crcesus erat" — He is suddenly become 

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



7. YEiiERJJVlS— LAMARCK. 



Testa transversa, csquivalvis, ineEquilateralis, latere antico hiante. Car- 

 do dentibus tribus elongatis approximatis parallelis, unico minore: 

 lateralibus nullis. Ligamentum externum. 



Shell 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. Ligament 

 external. 



The tribes which are exclusively the inhabitants of 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. 



