32 



accompanied those of vitrea. This is a common species all 

 round the Irish coast. Captain Portlock mentioned that 

 Mr. Ball had either in possession, or a record of, the follow- 

 ing species of cirrhipedae, as Irish : 



Anatifa Sulcata, (Lepas Sulcata, Mont.,) Youghall ; found 

 also by Mr. O'Kelly, near Kenmare. 



Anatifa Striata, Lamarck, (Lepas Anserifera, Linn.,) 

 Dublin Bay. 



Pollicipes Scalpellum, Lamarck, (Lepas Scalpellum, 

 Mont.,) found by Mr. W. H. Harvey in Dublin Bay. 



Cineras Vittata, Leach, Lamarck, (Lepas Membranacea, 

 Turton,) attached to a plank cast on shore near Malahide. 



Otion Cuvieri, Leach, Lamarck, (Lepas Aurita, Linn.,) 

 attached with a Cineras to a Balanus. The whole constitut- 

 ing a very large proportion of the pedunculated cirrhipedes, 

 at present known in Great Britain. 



Professor Lloyd exhibited to the Academy some modi- 

 fications which have been recently made in the construction 

 of the Magneto-electric Machine. 



