336 Proceedings of the Royal Physical Society. 



fine specimens (David Eobertson). Skelmorlie Bank. Loch 

 Goil, 6-10 fathoms. 



CUCUMAKIA ELONGATA, D. & K. 



" I have dredged many of all varieties in the Firth of 

 Clyde. In the Gair Loch it is abundant in about ten fathoms 

 water " (Forbes). Abundant in Campbelltown Loch, 7 fathoms 

 mud. Under stones at Allans at extreme low water. 



CucuMARiA Hyndmanni (Thompson), Forbes. 



Not uncommon on hard ground. Off Cumbrae. Lamlash 

 Bay (Herdman). Kilbrennan Sound, 75-80 fathoms. Loch 

 Fyne, on gravelly and shelly ground, adhering usually to old 

 shells. Skelmorlie Bank. 



CucuMARiA BEUNNEA (Thompson), Theel. 



Ocnus hrunneus, Forbes, op. cit. 



Firth of Clyde, common (Forbes). Lamlash Bay, 20 

 fathoms (Herdman). On Laminaria at Tan Buoy (David 

 Eobertson). 



Thyone fusus (0. F. Mlill.), Koren. 



Thyone papulosa, Forbes, Brit. Starf. 



Kilbrennan Sound, 75-80 fathoms. 



Thyone raphanus, Diib. and Koren. 



Lamlash Bay, 15-20 fathoms (Herdman). Off Cumbrae. 

 Loch Fyne. Common on muddy ground in various localities 

 down to considerable depths. 



Thyonidium pellucidum (Fleming), D. & K. 



Oucumaria hyalina, Forbes, Brit. Starf. 



Tan Buoy, Cumbrae, 6 fathoms, on Laminaria, a single 

 specimen (David Eobertson). 



