PLATE CXIV. 



SOLEN ANTIQUATUS. 



ANTIQUATED SOLEN, OR RAZOR SHELL. 

 GENERIC CHARACTER. 



Bivalve, with equal valves, oblong ; open at both ends. At the 

 hinge a subulated tooth turned back, often double ; not inserted in 

 the opposite shell. Animal an Ascidia. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Oval oblong, semipellucid, lower margin sinuous in the middle. 



Solen Chama-Solen : testa ovali-oblonga subpellucida, sinuosa. 



Da Costa. Br. Conch, p. 238. sp. 62. 

 Chama angustior, ex altera parte sinuosa. List. H. Conch, tab. 421. 



fig. 265. 

 Solen Cultellus, Kidney. Penn. Brit. Zool. No. 25. tab. 46. fig. 25. 



This is perhaps the rarest species of the Solen genus found upon 

 the British coasts, and as Pennant observes, seems to connect the 

 Solen with the Mva genera. It borders on the Chama of Da Costa, 



