716 



THE VOYAGE OF H.M.S. CHALLENGER. 



LIST OF THE KNOWN SPECIES OF RECENT ASTEROIDEA (SUB-CLASS 



GEOGRAPHICAL AND BATHYMETRICAL 



New species discovered by the Challenger are marked *. 



Order PHANEROZONIA, Sladen. 

 Family ArchasteridsE (Vi- 

 guier), Sladen. 

 Subfamily Pararchasterin.e, 

 Sladen. 



Pararchaster, Sladen. 



*P. armatus, Sladen . . -j 



*P. antarcticus, Sladen , 



*P. pedicifer, Sladen . . < 



*P. semisquamatus, Sladen . 



*P. semisquamatus, var. occiden- \ 

 talis, Sladen ... J 



P. simplex, Perrier, sp. 



*P. spinosissimus, Sladen . . 



Pontaster, Sladen. 



*P.forcipatus, Sladen. 



*P. forcipahis, var. echinata, ( 

 Sladen .... I 



Localities. 



Off E. coast of N. America ; 

 off Portugal. 



65° 42' 0" S., 79° 49' 0" E. 



Off Agulhas Bank; W. of 

 Crozet Islands. 



S. of Japan. 



Off E. coast of N. America. 



N. of Cuba. 



Off Island of Ascension. 



Off E. coast of N. America. 



Between Marion and the 

 Crozet Islands. 



Kangk in 

 Depth : 



Fathoms. 



1 1250-1350 



1675 



1 1G00-1900 



565-1875 



1240 or 1700 



1323 

 425 



1240-1700 

 I 1375 



Nature of the Sea- 

 Bottom. 



Blue mud. 



Blue mud. 



fDia 



t g 



Blue mud ; Green mud. 

 Blue mud. 



Diatom and Globi- 

 gerina ooze. 



Volcanic sand. 



Blue mud. 

 Globiserina ooze. 



(i) 



(2) 



(3) 



(«) 



(5) 



(6) 

 (J) 



(8) 



