20 A CATALOGUE OF THE BRITISH MARINE AI.G1E 



C. lannaa Kiitz. Coasts of Cornwall (St. Minver, Falmouth, 

 Looe), Devon (Torquay, Ilfracombe, Plymouth, Sidmouth), Sussex 

 (Bognor, Brighton), Norfolk (Cromer), Kent (Dover), Yorkshire 

 (Scarborough), Durham (Sunderland), and Northumberland (Holy 

 Island, Berwick) ; Isle of Man ; Wales (Puffin Island, Anglesea) ; 

 Scotland (Dunbar ; Elie, Fife ; Orkney Islands, Forres, Lismore, 

 Arran, Cumbrae, &c.); Ireland (Bantry Bay, &c.); Channel Islands. 

 Not uncommon. ft Zostera (Dillw.). Coasts of Dorset (Weymouth) 

 and Sussex (Bognor, Brighton, Worthing) ; Scotland (Forres). 

 Rather rare. 



Fam. GOMONTIACE^E Born. & Flah. 



Gen. 64. GOMONTIA Born. & Flah. 



G. polyrhiza Born. & Flah. (Immersed in the chalky shells of 

 several species of molluscs.) Coasts of Devon (Teigumouth, Tor- 

 quay, Sidmouth, Plymouth), Dorset (Weymouth, Swauage), Nor- 

 folk (Cromer), and Northumberland (Berwick) ; Scotland (Dunbar, 

 Cumbrae) ; Ireland (Belfast Lough). Not uncommon. 



6r. manxiana Chodat. Castletown, Isle of Man. Rare ? 



Suborder SIPHONED Grev. 



Fam. PHYLLOSIPHONACE^ Frank. 



Gen. 65. OSTREOBIUM Born. & Flah. 



0. Queketti Born. & Flah. Immersed in the chalky shells of 

 various species of molluscs. Coasts of Devon (Plymouth, Sid- 

 mouth) and Northumberland (Berwick). Scotland: Bute (Isle of 

 Cumbrae); Argyle (Loch Fyne) ; Dumbarton (Gare Loch). Not 

 uncommon. 



Fam. HYDROGASTRACE^: Rabenh. (Botrydiacea Rostaf. & Woron.). 



Gen. 66. HALICYSTIS Aresch. 



H. oval-is Aresch. \Valonia ovalis Ag.). Scotland: Argyle (Loch 

 Goil) ; Bute (Kyles of Bute, Isle of Arran). Ireland: Antrim 

 (N. side of Belfast Lough) ; Co. Dublin (Dalky Sound) ; Co. Water- 

 ford (Helvick Point, Dungarvau Bay). Very rare, and only obtained 

 by dredging. 



Fam. BRYOPSIDACEJE Thur. 



Gen. 67. BRYOPSIS Lamour. 



B. hypnoides Lamour. Coasts of Cornwall (Scilly Islands, 

 Mount's Bay, Falmouth, Fowey, Looe) ; Devon (Ilfracombe, Tor- 

 quay); Dorset (Weymouth, Swanage, Studland) ; Sussex (Bognor); 

 Cheshire (Hilbre Island). Scotland: Argyle (Appin) ; Ayr (Portin- 

 cross, Seamill, Saltcoats) ; Kirkcudbright (Southerness) ; Hadding- 

 ton (Prestonpans). Ireland: Co. Galway (Roundstone) ; Co. Clare 

 (Kilkee, Portrush). Channel Islands (Jersey, Guernsey, Alderney, 

 Sark). Rather rare on the English and Scotch coasts; not un- 

 common on the W. coast of Ireland. 



B. plumosa Ag. Coasts of Cornwall (St. Minver, Mount's Bay, 

 Falmouth, Fowey, Looe) ; Devon (Plymouth, Exmouth, Torquay, 

 &c.); Dorset (Swanage); Hants (Ventnor and Steephill, I. of W.) 

 Sussex (Bognor, Brighton, Hastings) ; Kent (Folkestone) ; Essex 



