PINNA 



Plate XXXIV, 



Species 65. (Mus. Brit.) 

 Pinna serrata. Piun. testa oldongo-flabelli/ornii, mar- 

 gine subquadratd, peUucido-corned aut vitred, radia- 

 tim liratd, liris numerosissimis, dense minute squama- 

 tU, antice decussatim corrmjato-striatd, margine dor- 

 sali acute serrato-squamato. 

 The serrated Pinna. Shell oblong-fanshaped, rather 

 square at the margin, transparent-horny or glassy, 

 radiately ridged, ridges very numerous, densely mi- 

 nutely scaled, anteriorly decussately wrinkle-striated ; 

 dorsal margin sharply serrately scaled. 

 SoLANDER, Sowerby's Genera of Shells. 

 Hab. West Indies. 



This little species is especially distinguished by the pro- 

 fusion of its serrated sculpture of minute scales. 



Species 66. (Mus. Brit.) 



Pinna Carolinensis. Finti. testa oblongo-Jlabelliformi, 

 margine rotuudatd, solidiusculd, subitijlatd, olivaced, 

 radiatlm costatd, costis validis, subdistantibus, fortiter 

 squamatis, squamis versus marginem tubulosis et ri-- 

 cureis, costarum interstitiis concavis. 



The Carolina Pinna. Shell oblong-fanshaped, rounded 

 at the margin, rather solid, a little inflated, olive, 

 radiately ribbed, ribs strong, rather distant, strongly 

 scaled, scales towards the margin tubular and re- 

 curved, interstices between the ribs concave. 



Hanley, Pro. Zool. Soc. 1858, p. 225 



Hob. South Carolina. 



A shell of large size and rather rough growth, in which 

 the ribs are rather distant, and armed with spines, which 

 towards the margin are recurved and tubular. 



