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Scientific name. 



Patellaris, 



Spinosa, 



Violacea, 



Crispata, 



Verruca, 



Rugosa, 



Punctatus, 



Locality. 



Coast of Coromandel. 



St. Helena. 



Indian Isles, 

 a u 



North Europe. 

 Soulli Coast of Eng. 

 British Seas. 



Scientific name. 



Radiata, 



Cariosa, 



Psittacus, 



Hemispherica, 



Lifvis, 



Striatus, 



Locality. 

 British Seas. 



Chili, « 

 Africa, " 

 East and West Ind. 

 Eng.& Dutch Coasts. 



Family Sid. Having radiated cells at their base. 

 Diadema, Mediterranean, &c. Testudinaria, Mediterranean, &c. 



Balasnaris, " " Q,uinquevalvis, " " 



Family 3d. Having a porous base. 

 Porosus, East Indies, &c. Purpurascens, Falkland Islands. 



Family 4th. Having a cup-like appendage at the base. 

 Galcata, Mediterranean. Spongiosa, Dorsetshire. 



Family 5th. Tubular and truncated at both ends. 

 Tracheiformis, 



DIVISION II. Shells attached to a fleshy peduncle. 



Notwithstanding the great affinity which exists throughout the lepas genus, 

 there are a few exceptions, in which a resemblance is difficult to be traced; 

 as for example, in the L. scalpellum, L. anserifera, L. anatifera, and varieties 

 emanating from them. These species are closely allied to each other, and 

 very different from the rest of the genus. 



FAMILY ls<. 



Scientific name. 



Mitella, 



Scalpellum, 



Having more than five valves, and a wreath of smaller ones 

 round the base. 



Locality. 

 Amboyna & East In. 

 Spain, &c. 



Scientific name. 

 Pollicipes, 



Locality. 

 France &. Spain. 



Family 2d. Having only five contiguous valves. 



Anserifera, Am. & Indian Seas. Villosa, Mediterranean. 



Anatifera, " " Dentata, " 



Dorsalis, West Indies. Sulcata, Dorsetshire,England. 



Fascicularis, European Seas. 



Family 3d. Having minute and distant valves placed on the fleshy extension of 



the peduncle. 



Aurita, Northern Coasts. Vittata, Mediter. & Atlantic. 



