68 



The following algae were also now, for the first time, re- 

 corded as additions to the Irish cryptogamic Flora : 



Calothrix mirabilis, forming little tufts attached to stones 

 and mosses, in a small stream trickling over a rock near 

 Clonmel. 



Nostoc muscorum, on a little-used foot-path, Castleknock, 

 County Dublin. 



Nostoc sphcericum, on the surface of a moist rock, Clonmel. 



Euaster rota, in a small pond near Bandon, entangled 

 "with other algse. 



Euaster oblonga, along with Desmidium mucosum and D. 

 Borreri, in a peat pit, Sheaghy, County Cork. 



Desmidium Swurtisii, in an old peat pit, Howth. 



Desmidium cylindricum, in an old peat pit, Howth. 



Desmidium mucosum, in a peat pit, Sheaghy. 



Desmidium Borreri, in a peat pit, Sheaghy. 



Leptomitus pisidicola, growing on a dead Caddis-worm in 

 Lough Bray, County Dublin. 



The President read a note from the Rev. Dr. Robinson, 

 respecting Lord Rosse's telescope. 



The Secretary read a letter from Mr. Charles Bourns, 

 giving an account of the excavation made in the interior of 

 the Round Tower of Lusk. 



Mr. W. R. Wilde made some observations on the human 

 skulls which were presented by Mr. Bourns, and which had 

 been found within the tower. 



