OF THE KERGUELEN REGION OF THE GREAT SOUTHERN OCEAN. 377 



Thaumatocrinus (contains 1 species taken at a single Station). 

 Chitonaster (contains 1 species taken at a single Station). 

 Ophiocymbium (contains 1 species taken at a single Station). 

 Ophioplinthus (contains 2 species taken at the same Station). 

 Echinocrepis (contains 1 species taken at a single Station). 

 Genicopatagus (contains 1 species taken at a single Station). 

 Spatagocystis (contains 1 species taken at two Stations). 

 Scotoanassa (contains 1 species taken at a single Station). 

 Prothelmins (contains 1 species taken at a single Station). 

 Grubianella (contains 1 species taken at three Stations). 

 Steleehopus (contains 1 species taken at a single Station). 

 Valettia (contains 1 species taken at a single Station). 

 Iolanthe (contains 1 species taken at a single Station). 

 Chalaraspis (contains 1 species taken at a single Station). 

 Petalidium (contains 1 species taken at two Stations). 

 Guivillea (contains 1 species taken at a single Station). 

 Abyssascidia (contains 2 species taken at two Stations). 

 Fungulus (contains 1 species taken at a single Station). 

 Pharyngodictyon (contains 1 species taken at a single Station). 

 Bathydraco (contains 1 species taken at a single Station). 

 Melanonus (contains 1 species taken at a single Station). 



LIST II: 



We may also draw attention to the following 10 genera which, though not limited 

 to the region represented by these eight Stations, are known to occur only in regions 

 south of the southern tropic. With two exceptions (Foveolaria and Oncho'porob) they 

 are all deep-sea genera unknown from depths less than 1000 fathoms. The number of 

 species contained in each genus, and the geographical and bathymetrical distribution 

 of each genus, are briefly indicated : — 



Leptopenus 



Scotoplanes 



Mdldanella 



Acanthocope 



Nebaliopsis 



Silenia 



Foveolaria 



Onchopora 



Corynascidia 



Bathylagus 



containing 2 species), South Pacific, South Atlantic, 1600 to 2160 fathoms. 



,, 7 „ ), South Atlantic, South Pacific, Cape, 1260 to 2650 fathoms. 



3 „ ), South Pacific, 1100 to 2225 fathoms. 



2 „ ), South Pacific, 1450 to 1800 fathoms. 



,, 1 ,, ), South Pacific, 1375 to 2550 fathoms. 



1 „ ), South Atlantic, 1950 to 2650 fathoms. 

 ,, 4 „ ), South Pacific, South Atlantic, Simon's Bay, shallow water to 1600 fathoms, 

 „ 1 ,, ), Southern Islands, South Pacific, 28 to 1950 fathoms. 

 „ 1 „ ), South Pacific, 1375 to 2160 fathoms. 



2 „ ), South Atlantic, 1950 to 2040 fathoms. 



