262 



THE NATURAL HISTORY OF 





TESTACEOUS MOLLUSCS. 





GENU S.— C L I O. 





SPECIES I. 



CLIO HELICINA, 



OR 



THE SEA PEARL. * 



This constitutes a species of the Order Mol- 



lusca, according to Gmelin, who denominated 



it the " male slime Jish ;" it is covered with a 



beautiful delicate shell, not dissimilar in form 



to the nautilus. In diameter it measures from 



two-eighths to three-eighths of an inch. It is 



found in immense quantities near the Spitzbergen coast, but 



is rarely discovered out of sight of land. Captain Phipps 



captured two of them in a trawl, near Seven Island Bay. 



SPECIES II. 



CLIO-RETUSA. 



The annexed representation of this animal 

 is taken from the late Mr. O'Reilly's work 

 on Greenland, and belongs to the same order 

 as the preceding, but appears to be destitute 



* Synonymes. — Argonautica of Fabricus. Clio Helicina, Linnaeus 



and Phipps. 



