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Class CiRRHIPODA, Cuv. 



Family Balanid^. 

 Genus Balanus, Auct. 

 B. albus, (N. S.) 



A young specimen was found attached to a Terebratula aurita from 

 deep water. 



B. conicus. 



Lepas Scotica, Wood. 



On old shells in deep water ; common. 

 B. Balarioides, Mont. 



On rocks and old shells between high and low water mark ; not com- 

 mon. 



Genus Verruca. 

 V. vulgaris. 



Lepas Verruca^ Auct. 



On old shells, fuci and other substances in deep water ; common. 



Note. By the foregoing Catalogue it will be seen that several of 

 what are reckoned our most common shells are wanting. 



The land and fresh water MoUusca were very few and scarce at Oban. 

 Indeed the only species worthy of notice were the Helix radiatula and 

 Pupa palustris ; which I fonnd on the Island of Kerrera. 



