178 



Til E Naturalist. 



Halecium muricatum, Shene. On sliells in Loch Eyan and Ardrossan. 

 Sertularia polyzo7iias^ Newt. On sea-weeds and sliells from Largs to 

 Troon. 



S. Mlisii, Edwards. On algae, especially species of Halydris in 

 Lamlash Bay. 



8. m(/ra, Pallas. In Loch Striven attached to the loose stones. Turns 

 black when dried. 



S. ruffosa, Ellis. On algae and sponges, Ardrossan, and on Flustra, 

 Innellan. 



S. rosacea, Ellis. On shells and algee near Largs, Innellan. 

 S. pumila, Doody. On algae, Innellan, Arran, in Brodick Bay. 

 S. pinaster, Thomp. Dredged at Troon. 



/S. fallax, Flem. On the Ayrshire coast opposite the small Cumbrae. 

 S. margarita, Tudor. On shells in Lamlash Bay, Largs, and Cumbrae. 

 S. tamarisca, Ellis. On shells and algae at Saltcoats, and near Largs. 

 S.filicula, Huds. On the roots oi Laminar ia digitata, Toward Point. 



abietina, Flem. On stones and shells Largs, Arran and Innellan. 



operculata, Ellis. On algae at Troon, Innellan and Loch Fyne. 

 S. argentea. On shells on various parts of the Ayrshire coast, 

 apparently rare. 



S. citpressina, Ellis. On shells near the Loch of Arran, very large in 

 Millport, 



Thuiaria thuia, Sibbald. On shells of Pecten on the Ayrshire coast, 



and in Loch Striven. 

 T. articulata, Ellis. On stones and shells on the Arran shore. 

 Antennularia antennina, Ward. On stones at Largs and Kothesay 



Bay. 



A. ramosa. Dare. On shells and stones on the shores of the 



Cumbrae, Innellan. 

 Plumularia cristata, Ellis. On algae, on the Innellan and Ayrshire 



coasts, and Loch Striven. 

 P. pmnatula, Mont. Eare on the Ayrshire coast, Largs, and Wemyss 



Bay. 



P. pinnata. On stones and shells, Arran, Ardrossan, Innellan, and 

 Skelmorlie. 



P. setacea, Ellis. On shells and algae in Loch Striven and Loch Fyne. 

 P. catliarma, John. On shells and algae, Arran, Cumbrae, and Loch 

 Fyne. 



P. myriophjllum, Ellis. On stones in Lamlash Bay, Largs and 

 Eothesay. 



