AlOLLUSCA. 636 



Striae ; pale yellow, radiated longitudinally ; inside white, with a large patch 

 of yellow or pink ; muscular impressions very deep. One inch and a half 

 long-. Inhabits the British seas. 



Tellinides rosea. — The Roseate Tellinides. Plate Ixxix. fig. 10. Ovate, 

 oblique, polished, thin, and of a beautiful rosy hue ; slightly wrinkled trans- 

 versely. One-half inch broad. Inhabits the Bay of Naples. 



Teltina depressa. — The Depressed Tellina. Plate l.xxix. fig. II. Oval, 

 flat, pointed at the smaller end, and slightly reflected ; pale yellowish, faintly 

 striated concentrically ; covered witli a pale brown transparent epidermis. 

 One inch and three quarters broad. Inhabits the Mediterranean sea. 



Psammotcea violacea. — The Variegated Psammotaea. Plate Ixxix. fig. 13. 

 Transversely ovate-oblong, sub-ventricose J radiated with purple; trans- 

 versely striated. Two inches broad. Inhabits the Australian seas. 



Psammobia Ferroensis. — The Feroe Psammobia. Plate Ixxix. fig. 12. 

 Oblong-oval ; white, radiated with crimson ; finely striated transversely ; 

 valves obliquely truncate. One inch and a half broad. Inhabits the Euro- 

 pean seas. 



Tellimya tenuis. — The Thin Tellimya. Plate Ixxix. fig. 14. Nearly 

 orbicular, white, thin, ventricose, and shining ; one valve, with two teeth 

 locking into a triangular void in the opposite one, with transverse lamina on 

 each side. One-third of an inch long. Inhabits the British seas. 



Sanguinolaria rosea. — The Roseate Sanguinolaria. Plate Ixxix. fig 15. 

 Semi-orbicular, smooth, shining, and convex ; of a beautiful rose-colour 

 towards the umbones, which becomes gradually paler as it descends ; with 

 acute transverse striae. One inch and a half broad. Inhabits the sea at 

 Jamaica. 



Venerupis perforans. — The Perforating Venerupis. Plate Ixxix. fig. 16. 

 Sub-rhombic, transversely striated, wrinkled on the anterior side : brown, 

 with a white inside, sometimes with a tinge of purple. Three quarters of 

 an inch broad. Inhabits the British seas. 



Petricola pholadiformis. — The Pholas-Shaped Petricola. Plate Ixxix. fijf. 

 17. Transversely elongated ; umbones very small ; with transverse, rough, 

 prickly striae ; posterior side extremely short. Three inches long. Inhabits 

 the Australian seas. 



Saxicava preecisa. — The Abbreviated Saxicava- Plate Ixxix. fig. 18. 

 Oblong, wrinkled, one valve larger than the other, truncated at the posterior 

 end ; of a pale horn colour. Three quarters of an inch broad. Inhabits tlie 

 British seas. 



Pandora rostrata. — The Beaked Pandora. Plate Ixxix. fig. 19. White, 

 oblong, much produced towards the beak ; one valve nearly fiat, the other 

 convex ; rounded at the anterior end. One inch broad. Inhabits the 

 Mediterranean and British seas. 



Corbula nucleus. — The Kernel Corbula. Plate Ixxix. fig. 20. Some^vhat 

 triangular, strong, with the under valve much larger than the upper one ; 

 transversely striated ; covered with a thick, brown epidermis. Half an inch 

 long. Inhabits the British seas. 



Amphidesma reticulata. — The Reticulated Amphidesraa. Plate Ixxix. 

 fig. 24. Sub-orbicular, sub-diaphanous, compressed, finely reticulated; 

 yellowish-white. One inch and a quarter long. Inhabits the West Indian 

 Ecas. 



Solemvd Mediterranea.—The Mediterranean Solemya. Plate Ixxix. fig. 



3 H 2 



