FOUND AT KERGUELEN LAND. 203 



Callithamnion Rothii, Lyngb. 

 Tide-pools, on Mytilus, Observaton 



Mr 



and the plant from the northern hemisphere ; it agrees in habit, 

 and arrangement of tetraspores; the articulations 



are 



longer than in British examples. 



Geog. dist. Atlantic shores from Greenland to Africa ; N.E. shores of 

 United States. 



SlPHONACE^J. 



CODIUM ADHERENS, Aff. 



Swain's Bay. 



Geog. dist. Coasts of Europe ; Australia ; Cape of Good Hope ; Ceylon ; 

 Mauritius; Friendly Islands ; Loo-Choo Islands. 



Bryopsts plumosa, Grev. 



Observatory Bay, a few specimens, very small. 



IJlyaoijb. 



Ulva latissima, L. 



Observatory Bay. 



Geog. dist Very widely distributed in both hemispheres. 



PORPHYRA LACINIATA, Aff* 



Observatory Bay. 



Geog dist. Temperate and colder seas of both hemispheres. 



Enteromorpha compressa, Link. 



Geog. dist. Cosmopolitan. 



Prasiola Sauteri, Menegh. 



West of Swain's Bay on wet rocks in a stream at 400 feet above the 



sea. 



Geog. dist. European Alps to 9300 feet ; Spitzbergen ; streams of W. 



Greenland. 



CONFERVACE^:. 



Cladophora arcta, Ktz. 



On MytiluSy at low-water mark, Observatory Bay and Royal Sound. 

 Geog. dist. German and N. Atlantic Oceans j Cape Horn and Falklands. 



C. simpliciuscula, H.f. 8f Harv. 



One very small specimen which, 1 think, may be referred to this species, 



on Annelid-tubes, Observatory Bay. 

 Geog. dist. Cape Horn and Falkland Islands. 



Griff. 



Bay 



Europ 



