OF THE KERGUELEN REGION OF THE GREAT SOUTHERN OCEAN. 371 



found at these eight Stations), and for the purpose of considering their geographical 

 distribution they may most conveniently be divided into groups according as they have 

 been recorded from the tropical and extra-tropical regions of the ocean. Thus we find 

 that of these 91 species, 



38 species (or 42 per cent.) are known, up to the present time, to occur in regions 



south of the southern tropic outside the area under 

 consideration (List Ic.) ; 



24 species (or 26 per cent.) are known to occur in regions both south and north of the 



tropics, but not in the intervening tropical zone (List Id.) ; 



12 species (or 13 per cent.) are known to occur in regions both south of and between the 



tropics, but not north of the tropical zone (List Ie.) ; and 



17 species (or 19 per cent.) are known to occur in regions both south of, between, and 



north of the tropics, and some of them may for the present 

 be regarded as almost cosmopolitan or very widely distri- 

 buted in the deep sea (List If.). 



We may now proceed to consider in detail the distribution of these 91 species, 

 according to the groups given above, indicating briefly the geographical and bathy- 

 metrical distribution of each species outside the region represented by these eight 

 Stations. 



LIST If. 



In the first place, we give a list of the 38 species which are known to occur outside 

 the region under consideration in somewhat similar latitudes, i.e. in regions south of the 

 tropic of Capricorn, but not in other regions of the deep sea. From the distributional 

 notes accompanying each species it will be observed that 26 of the species are eminently 

 deep-sea species, being unknown from depths less than 1000 fathoms; the other 12 

 species, though found in depths greater than 1000 fathoms in the region represented by 

 these eight Stations, occur outside this region in depths less than 1000 fathoms, and 8 

 of these species are recorded from shallow water under 150 fathoms. 



Leptopenus discus — Western South Atlantic, 1900 fathoms. 



Parar cli aster pedicifer — South Atlantic, 1900 fathoms (doubtfully referred to the young of this species). 



Porania antardica — Near Marion Island, 50 to 150 fathoms; Kerguelen and South Georgia. 



Opldocten amitinum — Near Marion and Kerguelen Islands, 85 to 150 fathoms. 



Ophioglypha lacazei — Eastern South Pacific, 2160 fathoms. 



Ophiolebes scorteus — Near Marion Island, 310 fathoms. 



Cystechinus vesica — Eastern South Pacific, 2160 and 2225 fathoms. 



„ wyvillii — Eastern South Pacific, 1375 to 2160 fathoms. 

 Echinus magellanicus — Near Marion Island, Falklands, and Magellan Strait, 9 to 310 fathoms ; Chili, Cape, 



Australia, New Zealand. 

 Pourtalesia carinata — Eastern South Pacific, 2225 fathoms. 



„ eeratopyga — Eastern South Pacific, 2160 and 2225 fathoms. 

 Schizaster moseleyi — Near Kerguelen and Magellan Strait, 40 to 400 fathoms. 



