A CATALOGUE OF THE BRITISH MARINE ALG 69 
Orkney Islands (Kirkwall Bay); Argyle (Loch Etive, Oban, Loch 
Goil); Bute (Isles of Arran, Bute, and Cumbrae) ; Ayr (Ayrheads). 
Ireland: Generally distributed and abundant. Channel Islands 
(Jersey, Guernsey, Alderney). Common and abundant on most 
parts of the British coast. — B cirrhosa (J. Ag.). Coasts of Sussex 
(Worthing) ; Dorset (Weymouth) ; Northumberland (Berwick). 
Ireland: Dublin (Balbriggan). Rather rare. 
Gen. 177. CateneLta Grev. 
C. repens Batt. (= Fucus repens Lightfoot, Fl. Scot. ii. p. 961 
(1777), e spec. orig. in Herb. Kew.; F’. Opuntia Gooden. & Woodw. 
in Linn. Soc. Trans. vol. iii. p. 219 (1797); Catenella Opuntia 
Grev.). Coasts of Somerset (Minehead, Clevedon) ; Cornwall (St. 
Michael’s Mount, Fowey); Devon (Plymouth, Torbay, Saleombe, 
Sidmouth); Dorset (Studland); Hants (Isle of Wight); Sussex 
(Hastings); Kent (Dover); Essex (Estuary of Blackwater, Maldon) ; 
Norfolk (Cley); Durham (Seaham, Roker, Marsden); Northumber- 
land (Berwick); Isle of Man; Cheshire (Eastham, Hilbre Island). 
Wales: Anglesea (Puffin Island); Pembroke (Tenby). Scotland: 
Haddington (Dunbar, North Berwick, Longniddry); Edinburgh 
(Musselburgh, Caroline Park); Fife (Inchkeith, Karlsferry, Elie, 
Kincraig, Pittenweem); Forfar (Arbroath); Kincardine (Bay of 
Nigg); Orkney Islands (Skaill, Kirkwall); Ross-shire (Kessen 
Ferry); Argyle (Dunstaffnage); Bute (Isle of Cumbrae); Ayr 
(Ardrossan). Ireland: Cork (Bantry Bay); Dublin Bay. Channel 
Islands (Jersey, Guernsey). Not uncommon on the rocky parts of 
the British Islands. 
Gen. 178. Evurnora J. Ag. 
E, cristata J. Ag. (= Rhodymenia cristata Grev.). Coast of 
Northumberland (Cullercoats, Berwick). Scotland: Haddington 
(Dunbar); Firth of Forth; Caithness (Wick) ; Orkney Islands 
(Elwick Harbour); Shetland Island (Voe of Sound near Lerwick). 
Very rare. 
Tribe Ruopornyttwex Schm. 
Gen. 179. Raopopryturs Kitz. 
more); Bute (Isles of Arran and Cumbrae) ; Ayr (Ardrossan, 
Saltcoats, West Kilbride). Ireland: Cork (Bantry Bay); Wicklow; 
Down (Belfast Lough); Clare (Malbay, Kilkee). Channel Islands 
(Jersey, Guernsey, Alderney). Not uncommon on the southern 
shores of England, and those of the west, south, and east of Ire- 
land.—8 incrassata Harv. (var. latifrons Holm. & Batt.). Coasts of 
