PLATE LXXVIL 



VENUS ISLANDICA. 



THICK VENUS. 

 GENERIC CHARACTER. 



Bivalve. Hinge furnished with three teeth; two near each other, 

 the third divergent from the beaks. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Shell strong, thick, heavy, covered with epidermis ; space in which 

 the hinge is inserted gaping. Margin acute and entire. White 

 within. 



Venus Islandic a : testa transversim striata rudi, nymphis hiantibus, 

 ano nullo. Gmel. Linn. Syst. Nat. 3271. sp. 15. 



Pectunculus major crassus, albo castaneus. Crassus, Da Costa Br. 



Conch, sp. 183. tab. 14. fig. 5. 

 Concha 6 maximis, admodum Crassa, rotunda, ex nigro rufescens. 



List, H. An. Angl. p. 170. tit. 22. tab. 4. fig. 22. 

 Pectunculus maximus, subfuscus, valde gravis. List. H. Conch, tab. 



212.fig. 108. 

 Venus mercenaria. Commercial. Perm. Br. Zool. No. 47. tab. 



53. fig. 47. 



