128 INTEODUCTION TO CONCHOLOGY. 



]nnk ; the under surface of his disc is dark chocolaf e^ with 

 yellow scattered spots; his head and neck are also pink, 

 elegantly dotted with yellow spots. 



" Earely has an author the privilege of introducing a 

 genus of seventy-two new species. But such an opportu- 

 nity have the indefatigable exertions of Mr. Cuming affor- 

 ded me/^ as wrote the author of ' Elements of Conchology/ 

 with reference to the genus Mangelia, A few only had 

 been previously discovered ; one included by Lamai^k with 

 the Cancellaria, and five mentioned by ]\Ir. Hind in the 

 ^ Zoology of the Sulphur.^ The latter were discovered by 

 that eminent traveller under various circumstances — some 

 on reefs, others concealed in places under stones, and a 

 few at depths varying from three to twenty-five fathoms. 

 Australia, Sicily, the West Indies, and the Philippine 

 Islands have furnished specimens of the Mangelia. The 

 long spindle-shaped Fuai are equally delicate and graceful ; 

 and this seems to compensate for the absence of bright 

 colours and variety of structure, all being merely more or 

 less tinged with rust -brown, and strongly or faintly keeled 

 and nodulous. One spindle-shaped species, brought from 

 the Straits of Korea, is especially distinguished by the pre- 

 eminent beauty of its structure; each whorl being sur- 



