118 



THE VOYAGE OF H.M.S. CHALLENGEE. 



iu place of five, for which we adopt the name loattersoni, that being the earliest we 

 cau find {vide synonymy above). The species has a wide range, and presents 

 considerable variation in its spiculation. It is not improbable that other forms, hitherto 

 regarded as distinct, will also sooner or later have to be included in this species. 

 lophoa 2)iceum, Vosmaer, comes near to it in spiculation, but is described as cup-shaped ; 

 it is UD usual for an lophon to have a well-marked external form, and this is perhaps a 

 good specific character. 



Localities. — Station 308, January 5, 1876 ; lat. 50° 8' 30' S., long. 74° 41' 0" W.; 

 off" the west coast of Patagonia ; depth, 175 fathoms; bottom, blue mud. Fragments. 



Station 311, January 11, 1876 ; lat. 52° 45' 30" S., long. 73° 46' 0" W. ; off the 

 south-west coast of Patagonia ; depth, 245 fathoms ; bottom, blue mud ; bottom 

 temperature, 46°. A number of fragments. 



Off Nightingale Island, Tristan da Cunha. A number of fragments; 



Habitat. — The Minch (Bowerbank) ; Strangford Loch (Professor Dickie, given by 

 Bowerbank) ; off Hastings (Bowerbank) ; Shetland (Norman, given by Bowerbank) ; 

 Strait of Magellan (Ridley) ; Tristan da Cunha (Challenger) ; west coast of Patagonia 

 (Challenger), 



