Class VI. SOLEN. RAZOR-SHELL. 



171 



GENUS VI. SOLEN. RAZOR-SHELL, 



Animal, an Ascidia. 



Shell oblong, open at both ends. 



Tooth, a subulated, at the hinge, turned back, 



often double ; not inserted in the opposite 



shell. 



Lin. Syst. 1113. Gm. Lin. 

 3223. Faun. Suec. No. 

 2131. List. Angl. tab. v. 



List. Conch, tab. 409. 

 Lin. Tr. viii. 43. 

 Mont. Test. Br. 46. 



S. with a strait shell, equally broad, com- 

 pressed, Avith a double tooth at the hinge, 

 receiving another opposite ; and on one side 

 another tooth sharp pointed, and directed down- 

 wards. Color olive, with a conoid mark of an 

 ash color, dividing the shells diagonally; one 

 part striated lengthways, the other transversely. 

 Breadth usually five or six inches, sometimes 

 nine. Tab. xlviii. Jig. 1 . 



SILIQUA. 



pod. 



Lin. Syst. 1113. Gm. 



Lin. 



Lin. Tr. viii. 42. 



2. VAGINA 



3223. List. Conch. 



tab. 



Mont, Test. Br. 48. 



sheath. - 



410. 









S. with a shell nearly cylindrical, one end mar- 

 ginated . ; the hinge consisting of a single tooth 



