PLATE LXIL 



PHOLAS CRISPATA. 



CURLED^ OR DOUBLE-FRONTED PJDDOCK. 

 GENERIC CHARACTER. 



Animal Ascidia. Shell bivalve, opening wide at each end, "with 

 several lesser valves at the hinge. The hinges folded back and con- 

 nected by a cartilage. 



SPECIFIC CHARACTER 



and 



SYNONYMS. 



Shell oval, thick, wrought with transverse wrinkles, dnd divided 

 down the middle by a furrow. The half next the hinge undulated 

 or indented. A large flat curved tooth in the cavity under the beak* 



Pholas Crispata : testa ovali hinc obtusiore crispato striata car- 

 dinis dente curvo. Linn. Faun. Suec. 2125* 

 Gmel. Linn. Syst. p. 3216. sp. 6. 



Concha altera parte dimidla striis undatim crispatis donata, altera laevis, 

 apophysi longa, angusta* recurva, dentiformi. Aa 

 e peloridibus antiquorum ? List. II. An, AngL 

 p. 192. tit. 38. tab. s. 38.— Pholas angulosus, 

 nobis olim, concha altera, &c. Tit. 38. — A pp. H» 

 An. AngL in Goedart. p. 36. tab. 2. fig. 7. — 

 Pholas latus rugosus ex dimidio dorso et asper. 

 Hist. Conch, tab. 279. fig. 436, 

 VOL. II. G 



