A CATALOGUE OF THE BRITISH MARINE ALG 21 
(Harwich) ; Suffolk (Felixstowe), Norfolk (Runton, Cromer) ; Yorks 
(Filey, Scarborough, Whitby) ; Durham (Seaton Carew, Hartlepoo l, 
Seaham Harbour rr Northumberland (Cullereoats, Alnmou th, Ho ly 
Island, Berwick) ; Isle of Man. Wales: Anglesea (Puffin Island, 
a 
Ayr (Saltcoats, Girvan, &c.). Ireland, Channel Islands (Jersey, 
Guernsey, Alderney, Sark). Not uncommon.—f ee Shae 
& Batt. Coast of Devon (Ilfracombe, Torquay). y nu 
Holmes, Alg. Br, Rar. Exsice. no.178. Coast of paae (Portan). 
Gen. 68. Dersesta ee 
D. tenuissima’ Orn. (= Vaucheria marina Har rv.). Coasts of 
Devon (Torquay, Sidmouth, suing be) “ie: Dorset (Swanage). 
Scotland: Argyle (Appin). Rar 
Fan, ete Dumort. 
Gen. 69. Vaucnert DC. 
V. dichotoma Lyngb. B marina Ag. tpn of Dorset (Wey- 
mouth), Seodand® Argyle (Appin). Rar 
V. Thuretii Woro - (= V. velutina Ha 1, partim). Coasts of 
Dorset (Weymout th) ‘on Northumberland (Berwick). Scotland: 
Argyle ofappin) Bute (Brodick, Arran); Ayr (Largs). Probably 
not un n. 
R Ve plana Woron. Coast of Lancashire (near Ulverstone). 
are 
Vs spherospora Nordst. a genuina Nordst. f. synoica Nordst 
Coast of Cornwall Galtach), Scotland : Argyle (Appin, Ballachu- 
lish). Ireland (Cushendall, Co. Antrim). Rare.—f. dioica Rosenv. 
(= V. velutina — hse et V’. piloboloides Holmes, Ady: Br. R 
Exsice. n 0. 50, non Thur.). Co asts of Cornwall st wey, S alta 
ne vr rena gar “Cone of Forfar (Arbroath). Rare. 
Vel asts of Dorset Lodmoor, ox Wey- 
moat); ‘Bosox (Clason lanes (Ulverstone). Wales: Merioneth 
(between Barmouth and Dol ty). heres pwn on (Ferryside), Scot- 
land (Inverness). Treland x E. 
Fam. mae are Lamour. 
Gen. 70. Coprum Stackh. 4 
s Ag. Coasts of Cornwall (Land’s End, Sennen Cove, 
F Rlmontin Gerran’ 8s Bay, Gorran Haven Fowey) ; Devon (Wem- 
Mary). Ireland (Rathlin Island, Co. Antrim; Tory Island, Co. 
Don oo Channel Islands (Jersey, Guernsey, Alderney). Rare. 
