A CATALOGUE OF THE BRITISH MARINE ALGZE 95 
Gen. 240. Prrroceris J. Ag. 
P. cruenta J. Ag. (= Cruoria pellita Harv. in Phye. Br., non 
Brighton, Hilbre Island). cotland: Berwicks. (Burnmouth) ; 
Haddington (Dunbar); Edinburgh (Joppa); Fife (lie, Earlsferry) ; 
Forfar (Arbroath); Argyle (Appin, Oban, Lismore, Loch Goil) ; 
Bute (Cumbrae); Renfrew (Gourock). West of Ireland: Clare 
(Malbay) ; Channel Islands (Guernsey). Not uncommon). 
R. Hennedyi Batt. (= Actinococcus Hennedyi Harv.). Coasts of 
Yorkshire (Filey) ; Northumberland (Alnmouth, Holy Island, Ber- 
wick). Scotland: Berwicks. (Burnmouth); Haddington (Dunbar) ; 
Edinburgh (Joppa); Fife (Elie, Earlsferry); Forfar (Arbroath) ; 
Kincardine (Stonehaven) ; Orkney (Kirkwall). Common on the 
shores of Scotland and Northern England. 
Gen. 241. Crvorta Fries. 
C. pellita Lyngb. Coasts of Cornwall (Penzance, St. Michael’s 
Mount, Pridmouth); Northumberland (Berwick). Scotland: Argyle 
(Loch Goil); Renfrew (Wemyss Bay); Bute (Cumbrae); Ayr (Salt- 
coats). Rather rare 
uncommon. 
GC. rosea Crn. (= C. stilla Kuck.). Coast of Devon (Plymouth, 
Wembury). Very rare, and only obtained by dredging. — Var. 
purpurea Batt. (= C. purpurea Crn.). Devon (Wembury). Very rare. 
Tribe Squamarme& Schm. 
Gen. 242. COrvoriopsis Zan. 
C. gracilis Batt. (= Plagiospora gracilis Kuck. ; Cruortopsis cruct- 
ata Zan.? Batt. in Journ. Bot. Sept. 1896). Coast of Devon 
Gen. 248, Cruorteia Crn. 
C. Dubyi Schm. (= Peyssonnelia Dubyi Crn.). Coasts of Corn- 
wall (Pridmouth, Plymouth) ; Devon (Torquay, Sidmouth); Essex 
(Blackwater Estuary); Yorks. (Scarborough) ; Northumberland 
Berwick); Isle of Man. Scotland: Berwicks. (Burnmouth) ; 
addington (Dunbar) ; Forfar (Arbroath); Bute (Arran, Cumbrae, 
Bute). Ireland: Galway (Roundstone). Channel Islands (Alder- 
ney, Guernsey). Not uncommon. 
Gen. 244. Pryssonnetia Dene. 
P. Rosenvingii Schm. Coasts of Cornwall, Devon (Plymouth, 
Sidmouth), Dorset (Chapman’s Pool), and Northumberland (Ber- 
i Rare. 
