324 AMERICAN JOURNAL 



Mr. Adams remarks that Buc. Yessoensis, Schrenck, and Eu- 

 thria badia, A. Ad., belong to Stimpson's genus Urosalpinx, 

 first described in this Journal. 



Norwegian 31ollusca. By J. Gwyn Jeffreys. 



This paper gives a list, with remarks, of a large number of 

 species dredged by the author at Drobak in Christianiafiord. 



The fry of Isocardia cor is proved, by a complete series of 

 ages, to be identical with Kellia ahyssicola, Forbes, Venus mi- 

 liaris, Phil., and Kelliella ahyssicola, Sars. " Some of Forbes 

 ^gean specimens, named by him Kellia ahyssicola, belong to 

 Axinus ferruginosTHs, and others to the present species ; his de- 

 scription will suit either," 



Naera obesa, Lov., is distinct from JV. cuspidata, to which 

 latter the author referred it in his British Conchology. 



The animal of Scissurella crispata, Fleming (of which S. angu- 

 lata, Loven, is a synonym), is described. 



Rissoa turgida, nov. spec. 



Cerithiiim pcrversum, Linn., belongs to the genus Trifoi'is. 



Taranis is the name of a new genus proposed for Trophon 

 Morcld, Malm., = Bela demersa^ Tiberi. It has no opercu- 

 lum ; the canal is very short and sculpture peculiar. 



Cylichna acuminata^ Brug., belongs to the genus Rhizorus, 

 Montf., or Volvula, A. Ad. 



No. 31, July, 1870. 



Mediterrayiean Mollusea. By J. Gwyn Jeffreys. 



This paper embodies the results of several dredgings in vari- 

 ous parts of the Mediterranean, principally from greater depths 

 than heretofore examined. "Not the least interesting result 

 from all these Mediterranean dredgings consists in the discovery, 

 in a living or recent state, of several species which had previ- 

 ously been known as fossil only, and were considered extinct. 

 More extended investigation and gradual experience confirm my 

 opinion, published eight years ago (Brit. Conch, i, Introd.), that 

 probably all the Mollusea which lived during the periods repre- 

 sented by our newer Tertiary strata still survive in some part or 

 other of the European seas." 



Leda acuminata, Jeffreys. Nov. sp. 

 Bentalium gracile, " " 



Hela. Nov. gen. type Lacuna tenella, Jeffreys. 

 Odostoniia nitens, Jeffreys. Nov. sp. 

 Actceon exilis, " " 



