30 



708 Patella grauularis 



709 deaurata, many varieties 



710 Magellanica 



711 stellifera 



712 vulgata 



713 miniata 



714 punctata 



715 pectinata 



J]Q puncturata 



717 Galatea? 



718 tricostata 



719 tenuis ? Dillw. 



720 margaritacea ? Dillw. 



721 pellucida, a large conical variety 



722 Cypria, Dillvr. 



723 ornata, Dillw. 



724 Tramoserica, Chemn. xi. t. 197, f. 1912, 



1913, many specimens 



725 melanogramma, Dillw. 



726 tuberculata ? Dillw. The Gorgon Lim - 



pet from the coast of Barbary, Budgiii MS. 

 six specimens in different stages of growth 



727 radians, Dillw. 



728 Rota, Dillw. 



729 testudinalis, Dillw. Clealandi, J. Sowerby 



730 fiammea, Dillw. 



731 Isevigata, Dillw. 



732 Surinamensis, Dillw. 



733 to 738. These and some of the following can- 



not be referred with certainty to any de- 

 scribed species : we have not, however, ven- 

 tured to describe them, partly on account of 

 the great variation to which every species is 

 subject, and partly on account of the extreme 

 ambiguity of many of the descriptions and 

 figures already extant. 



739 nigra, Budgin MS. 



740 — plumbea ? 



