CONCHYL! A— Dir/fF/^^. I. /I 



being nearly closed when the valves are shut, where it is well 

 rounded and not produced into any kin(l of beak-liUe elongation, 

 giving the outline a club-shaped appearance: the accessorial 

 valve at the back is of an oblong shape. 



Phglas testa suhconied hiantissimu, latere anlico amjtiloso- striata 

 rostrato, posttce lamina compressd recurmi, intiis costa 

 longitudiitali. 



Shell somewhat conic and very open, angular and beaked at the 

 anterior end, with a flat recurved process behind, and a longi- 

 tudinal rib on the inside of the valves. 



Pliolas striata. JLinn. Syst. Nat. p. 1111. 



Gtnelin, Syst. p. 3215. 



Tnrton, Linn. Syst. iv.ip. 172. 



Pennant, Brit. Zool. iv. p. 157. 



Chemnitz, viii. p. 364, tab. 102, fig. 864 to 871. 



Montagu, Test Brit. p. 26. 



Idinn. Trans, viii. p. 32. 



Titrton, British Fauna, p. 14G. 



Danovan, Brit. Shells, iv. tab. 117. 



Dillwyn, Descript. Cafal. p. 37. 



Wood, Conch, p. 83,tab. 16, (ig. 1 to 4and fig.8. 



Turton, Conch. Diet. p. 147. 

 Mus. nost. Taken from an old yardarm on Brixham pier, and 

 which had been drifted in from the bay. 



Shell three-eighths of an inch long and about half an inch 

 broad, of a conical or rather wedge-form shape, with the gape 



c 2 



