4 Pratt, Marine Fauna of the Falkland Islands. 



mark (Norway). Greenland. Mediterranean. 

 Adriatic. France (S.W.). Black Sea. South 

 Patagonia, 48 fath. Tierra del Fuego. Falk- 

 lands. Valparaiso. New Zealand. 

 Fossil — coralline crag, on Terebratula. Older pliocene. 

 (Castrocara). 



The following occur in north and south temperate 

 seas, but not in Britain, nor the tropics :— 



I. Beania magellanica, growing on an Ascidian {Molgula 



gregaria). 

 Habitat: Adriatic. Australia, 2-10 fath. New Zea- 

 land. Kerguelen. Cape Horn. Falkland Islands. 

 It appears to occur only in shallow water. 



II. Cellepora pustulata, on Patella venosa. 



Habitat: Island of Capri (Italy). Victoria (Australia). 



New Zealand. Marion Island. 

 The specimen, though fairly large, is much water-worn. 

 It is interesting to note that the only known northern 

 habitat of these two species is the Mediterranean. 



The following species is the only one which occurs in 

 north and south temperate and cold seas, and in the tropics 

 (Florida). 



Smittia landsborovii^ on shell ( Trophon muricijormis). 



Habitat: Britain. Florida. Greenland. South Africa. 

 Falklands. Australia. Arctic Seas. Davis Strait. 



Fossil — var. crystallina — Scottish glacial deposits. 



The following species occur only in the southern 

 hemisphere : — 



I. Beania costata, on weed, in shallow water. 



Habitat: Australia. Kerguelen. Cape Horn. Falklands. 



II. Cellaria malvinensis^ erect, in fairly shallow water. 



