A CATALOGUE OF THE BRITISH MARINE A~LGs 79 



Dorset (Portland, Weyrnouth) ; Hants (Christclmrch. Isle of Wight) ; 

 Sussex (Brighton) ; Kent (Dover, Deal) ; Essex (Harwich) ; Suffolk 

 (Felixstowe, Corton) ; Norfolk (Yarmouth, Cromer, Sheringham) ; 

 Wales (near Swansea). Scotland: Aberdeen (Peterhead); Elgin 

 (Lossiemouth) ; Orkney Islands (Skaill) ; Bute (Isles of Arran, 

 Cumbrae, and Bute); Ayr (Ardrossan). Ireland: Generally dis- 

 tributed. Channel Islands. Var. @ squarrosa. Devon (Plymouth) ; 

 Dorset (Weymouth) ; Sussex (Brighton). 



C. carulescens J. Ag. Coasts of Sussex (Hastings); Suffolk 

 (Felixstowe). Bare. 



Gen. 200. POLYSIPHONIA Grev. 



P. macrocarpa Harv. (= /-'. pulcinata Phyc. Br. and P. sertulari- 

 -oides Holm. & Batt. Rev. List). Coasts of Cornwall (Padstow, 

 Mount's Bay, Senuen Cove, Falmouth, Fowey) ; Devon (Ilfraeombe, 

 Plymouth, Torbay) ; Dorset (Portland, Swanage) ; Hants (Isle of 

 Wight); Sussex (Brighton) ; Northumberland (Berwick) ; Cheshire 

 (Hilbre Island). Wales (Anglesea). Scotland: Orkney Islands 

 (North Ronaldsay) ; Bute (Isle of C umbrae) ; Ayr (Ardrossau, Salt- 

 coats). Ireland: Dublin (Balbriggan) ; Londonderry (Port Stewart) ; 

 Clare (Miltown Malbay). Channel Islands. Not uncommon. 



P. Rhunensis Thur. Cornwall (Trevone Bay); Devon (Ilfra- 

 combe, Plymouth). Rare. 



P. fibrata Harv. Coasts of Cornwall, Devon, Dorset, Hants, 

 Sussex, Kent, Northumberland, Cheshire (Hilbre Island), Isle of 

 Man, Wales, Scotland, Ireland, and the Channel Islands. Not 

 uncommon. 



P. urceolata Grev. typica J. Ag. Coasts of Cornwall, Devon, 

 Dorset, Hants, Sussex, Kent, Norfolk, Yorks., Durham, North- 

 umberland, Cheshire (Hilbre Island), Isle of Man, Wales, Scotland, 

 Ireland, and the Channel Islands. Common. --Var. ft patens J. Ag. 

 Cornwall, Devon, Cheshire (Hilbre Island), Northumberland (Aln- 

 mouth, Berwick), Orkney Islands, Bute (Isles of Cumbrae and 

 Arran). - Var. y formosa J. Ag. (= P.J'ormosa Suhr). Coasts of 

 Cornwall, Devon, Dorset, Hants, Sussex, Norfolk, Northumberland. 

 Scotland : Haddington, Edinburgh, Fife, Orkney and Shetland 

 Islands, Bute, Ayr. Ireland : Dublin (Malahide, Clontarf) ; Down 

 (Strangford Lough, Belfast Lough). Not uncommon. - Var. 

 comosa J. Ag. (= P. stricta Grev.). Devon (Plymouth, Torquay, 

 Sidniouth) ; Dorset (Studlaud) ; Northumberland (Berwick). Not 

 uncommon. 



P. divaricata Kiitz. Joppa, near Edinburgh; and Murlogh Bay, 

 Co. Antrim. Rare. 



P. siibulata J. Ag. /3 Griffithsiana J. Ag. ( = P. G-riffithsiana 

 Harv.). Coasts of Devon (Torquay) ; Dorset (Isle of Portland). 

 Very rare. 



P. Eichardsoni Hook. Coast of Kirkcudbright (Colvend). Very 

 rare. 



P. spinulosa Grev. Coast of Argyle (Appin). Very rare. 

 Var. /3 major J. Ag. (= P. Carmicliaeliana Harv.). Coasts of Argyle 

 (Appin) ; Bute (Little Cumbrae); Orkney (Skaill). Very rare. 



