PINNA 



Pla 



XXXI. 



Species 58. (Mus. Cuming.) 



Pinna l.ivnceolata. Pitm. testa sublanceolato-JlabeUi- 

 formi, rufescente-olivaced, medio et postice radiatm 

 coslellald, anlice fere mutica, costellis squamatis, 

 sgimmis regitlaribus, subtubulom, recurvis. 



The lanceolate Pinna. Shell lanceolately fan-shaped, 

 reddish-olive, radiately ribbed in the middle and on 

 the posterior side, almost smooth on the anterioi-, 

 ribs scaled, scales regular, somewhat tubular, re- 

 curved. 



SowEBBY, Pro. Zool. Soc. 1835, p. 84. 



Hab. Near Puerto Potrero (dredged from sandy mud, at ;i 

 depth of thirteen fathoms) ; Cuming. 

 The scales of this species, of a recurved tubular form, 



are set with somewhat more than usual regularity, but on 



the anterior side of the shell they almost disappear. 



Species 59. (Mus. Cuming.) 



Pinna assi.milis. finn. testa trigono-Jlabellatd, antice 

 tiimuld, subrotimdata, cinereo-cornea, undique radia- 

 tim liratd, liris profuse squamatis, squamis peculiari- 

 ter irregitlaribus. 



The allied Pinna. Shell triangularly fan-shaped, an- 

 teriorly swollen and somewhat rounded, ash-horny, 

 everywhere rayed with ridges, ridges profusely scaled, 

 scales peculiarly irregular. 



Hanley, Pro. Zool. Soc. 1858. 



Hab. Kaines's Island, Torres Straits ; Lieut. Ince. 



A dull ash-horny species, characterized by a singular 



irregularity in the development of the scales, with which 



it is rayed throughout. 



August, 1858. 



