PATELLA. 



Plate XX. 



Species 48. (Pig. «, b, c, Mus. Cuming.) 



Patella pentagona. Pat. testa ovatd vel peittaffond, 

 valde irreyulari, mine depressd, mmc elevatd, costis 

 octo vd uovem radiatd, costis varii tubfrculatis et 

 squamatis, interstitm nigoso-clathratls ; alhd, uigro 

 plus minus picatd, medio aurantio tinctd. 



The five-sided Limpet. Shell ovate or five-angled, 

 very iiTegular, sometimes depressed, sometimes raised, 

 rayed with eight or nine ribs, ribs variously tuber- 

 cled and scaled, interstices wrinkle-latticed ; white, 

 more or less pied with black, orange-stained in the 

 middle. 



Born, Mus. Test. Vindobonensis. 



Patella, stellaformis. Reeve (in Conch. Syst.). 



Hab. Elizabeth Island, South Seas, and Philippine Islands. 



Remarkable for its in'egidar growth, and white, tuber- 

 cled, rudely wrinkled, sculptured, more or less pied in the 

 interstices with black. 



Species 49. (Mus. Cuming.) 



Patella scutellaeis. Pat. testd siibhe.vagono-ovatd, 

 antice paululum atteimatd, depressd, temiiculd, radia- 



tim costatd, costis distantibns, subobsoletis, interstifiis 

 dense temiUiratis et striatis, minute crenidatis ,- oliva- 

 ceo-ceeruled, costis versus apicem pallidioribns, iiittis 

 pellucido-grised. 



The dish Limpet. Shell somewhat hexagonally ovate, 

 a. little attenuated in front, depressed, rather thin, 

 radiately ribbed, ribs distant, rather obsolete, inter- 

 stices densely finely ridged and striated, minutely 

 orenulated ; olive-blue, ribs paler towards the apex, 

 interior transparent grey. 



Lamakck, Anim. sans vert. (Deshayes edit.) vol. vii. p. .5.33. 



Hub. Bay of Naples. 



A transparent olive-grey is the prevaibng colour of this 

 species, but it is variable. 



Fig. 50. (Mus. Cuming.) 



This shell proves to be P. redimiculum, represented at 

 Plate XII. in an earlier stage of growth, when the interior 

 is less coated with opake lining, and has a more transpa- 

 rent tortoise-shell appearance. It has been attributed to 

 P. radians, Gmeliu, but like many other species of this 

 author, it rests on doubtful evidence. 



December, 1854. 



