258 



THE VOYAGE OF H.M.S. CHALLENGER. 



Northern Shores of Siberia — West Coast of France. 



DESMOSTICHA, Hseckel. 

 C I D A R I D ^, Miill. 

 GoNiociDARlD^, Hseckel. 

 Darocidaris, A. Ag. 



D. papillata, A. Ag., 



Porocidaris, Des. 



P. purpurata, Wy. Thorn., 



Arbaciad^, Gray. 



Arhacia, Gray. 



A. piistulosa, Gray, 



ECHINOTHURID.E, Wy. Thom. 

 Asthenosoma, Grube. 

 A. hystrix, A. Ag., 

 A. fenestratum, Wy. Thorn., . 



Phormosoma, Wy. Thom. 

 P. placenta, Wy. Thom., 



EcHrNOMETEAD^, Gray. 

 Strongylocentrotus, Br. 



S. drobaddensis, A. Ag., 

 S. lividus, Br., 



Sptuerechiniis, Des. 



S. granularis, A. Ag., 



Triplechinidte, a. Ag. 

 Echinus, Eond. (Linu.). 



E. acutus, Lamk., . 



E. eleyans, Diib. o. Kor., 



E. esculentus, Linn., 



E. microstoma, Wy. Thom., . 

 E. miliaris, Miill., 



E. norvegicus, Diib. o. Kor., . 



CLYPEASTRID^, Agass. 

 Edcltpeastrid^, Hoeckel. 

 FiBULARiNA, Gray. 

 Echinocyamtis, Van Phelps. 

 E. 2ntsillus, Gray, . 



Range in Depth and Principal Localities. 



West Coast of Norway, 80-100 fathoms ; North Sea, 200 fathoms ; Faroe 

 Islands— Gibraltar, 100-1000 fathoms P. ; Cape Wrath, 280 fathoms 

 P. ; South Ireland, 80-90 fathoms (Atlantic ; Pacific). 



Shetland Islands ; Faroe Islands ; Butt of the Lewes, 542 fathoms P. 



West Coast of France (Atlantic). 



Slietland Islands ; Rockall, 547 fathoms ; Butt of the Lewes, 445 



fathoms P. ; Off Vigo (Nortli Atlantic). 

 Rockall, 445 (!) fathoms P. (East Atlantic). 



J West Scotland and Ireland, 500-800 fathoms ; Butt of the Lewes, 500 

 ( fathoms P. (East Atlantic). 



British Seas ; Spitzbergen ; Lofoten Islands, 60 fathoms ; North Coast of 



Siberia ; North Sea, 100 fathoms (Arctic). 

 West Coast of France ; British Seas (Atlantic). 



West Coast of France (East Atlantic). 



( West Coast of France ; Irish Sea, 100 fathoms ; West Coast of Norway ; 

 < Shetland Islands, 150 fathoms; Faroe Islands, 400 fathoms (Atlantic ; 

 ( Pacific). 



S South Ireland; West Coast of Norway, 150-250 fathoms; Faroe Islands, 

 ( 400 fathoms ; Valencia, 90 fathoms (Atlantic ; Pacific). 

 English Channel ; West Coast of Norway, 80 fathoms ; Cape North, 15 



fathoms (East Atlantic). 

 West Scotland and Ireland, 150-^00 fathoms P. 

 Engli.sh Channel ; West Coast of Norway, 50 fathoms (East Atlantic). 

 British Seas ; North Sea, 200 fathoms ; Faroe Islands — Shetland Islands, 

 400 fathoms P. ; Cape Wrath, 300 fathoms P. ; West Coast of Norway, 

 80-450 fathoms (Atlantic ; Pacific). 



5 British Seas ; West Coast Norway, 300 fathoms ; Cape North, 15-25 

 j fathoms (North Atlantic). 



