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 Islandica: testa transversim striata rudi, nymphis hiantibus, 

 ano nullo. Gmel. Linn. Sj/st. Nat. 3271. sp. 15. 



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



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

 Concha e 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. 



272. fig. 108. 

 Venus mercenaria. Commercial. Penn. Br. ZooL No. 47. tab. 



53. fig. 47. 



