PINNA 



Species 43. (Mus. Cuming.) 



Pinna sebka. Pinn. testa subquadrato-JlcJiellatd, teiiui, 

 ventricosd, radiatim Virata, liris tetiuibus, irregida- 

 ribus, dense squamatis, squamis parvis, brevibus, mur- 

 gine postico squamis gratidioribus dense serrato, latere 

 antico tumidiusculo, peculiariter Minute squamato-reti- 

 culalo ; pellucido-olkaced. 



The saw Pinna. Shell somewlmt squarely fnn-sliai)ed, 

 thin, ventricose, nidiately ridged, ridges tliiu, irre- 

 gular, densely scaled, scales small, short, posterior 

 edge densely serrated with larger scales, anterior side 

 rather swollen, peculiarly niiiiiitely scale-reliculatcd ; 

 transpareut-olive. 



Hab. Moretoa Bay. 



A light transparent-olive siiell, somewhat irregularly 



sculptured with small prickly scales, having the posterior 



edge regularly closely set throughout with scales of 

 larger size. 



Species 44. (Mus. Cuming.) 



Pinna vespertina. Finn, testa elongato-trigond, ad 

 latera subincurvd, prope umiones liratd, deinde laoi- 

 gatd; olivaceo-cinered, radiis fumeo-fuscis etflavesceii- 

 tibus ornatd. 



Tub sunbeam Pinna. Shell elongately triangular, ra- 

 ther incurved at the sides, ridged towards the ura- 

 boes, then smootli ; olive-ash, ornamented with rays 

 of smoky-brown and yellow. 



Hob. ? 



A beautifully-coloured species, partaking of the cliarac- 



ters of P.fumata and P. euglypla. 



June, 1858. 



