260 



THE VOYAGE OF H.M.S. CHALLENGER. 



Arbaciad.'E, Gray. 



Arbacia, Gray. 

 X A. pustulosa, Gray, 



DlADEMATiD^, Peters. 



Diadema, Schynv. 

 X D. setosum, Gray, . 



Gentrostephanus, Pet. 

 C. longispinu^, Pet., 



Aspidodiadema, A. Ag. 

 *v4. microtaberc.ulatum, A. Ag., 

 *A. tonsum, A. Ag., 



ECHINOTHURID^, Wy. Tliom, 



Asthenosovm, Grube 



A.fenestratuin,y^j. Thorn., . 

 A. hystrix, A Ag., 



Phormosoma, Wy. Thorn. 

 *P. uranus, Wy. Thorn., 



EcHiNOMETRAD.«, Gray. 



EcMnometra, Rond. (Breyn.) 

 X E. subangularis, Desml., 



Strongylocentrotus, Br. 

 S. livid us, Br., 



Uphmrechimis, Des. 

 X S. gramdaris, A. Ag., . 



ECHINIDiE, Agass. 



Temnopleurid^, Des. 



Temnechinus, Forbes. 

 T. maculatus, A. Ag., 



Trigonocidaris, A. Ag. 

 T. alhida, A. Ag., . 



Triplechinid^, a. Ag. 



Echinus, Rond. (Linn.) 



X E. acutus, Lamk., . 



E. elegans, Diib. o. Kor., 



E. melo, Lamk., 



E. microtuberculatus, BL, 



CLYPEASTRIDAE, Agass. 



EUCLTPEASTEID^, Hajckel. 



FiBDLARiNA, Gray. 



Echinocyamus, Van Phels. 

 E. piisillus. Gray, . 



Range in Depth and Prmcipal Localities. 



Madeira; Azores; Liberia; x St Vincent (Atlantic). 



St Vincent ; Canary Islands ; Sicily (Atlantic ; Pacific). 



Madeira; Sicily. 



xOff Macio, 1700 fathoms (Atlantic ; Southern Ocean). 

 xOff Macio, 1700 fathoms (Indian ; Pacific). 



Bay of Biscay, 445 fathoms P. (.'). 

 Portugal; Off Vigo (Atlantic). 



xStation VI., 1525 fathoms; xStation 78, 1000 fathoms (Atlantic). 



Cape Verde ; Azores ; Senegal ; x Ascension (Atlantic). 

 Canary Islands ; Azores ; Sicily (Atlantic). 



Cape Verde Islands; Azores; Sicily; xgt Vincent; xStation 75, 450 

 fathoms. 



Josephine Bank, 600 fathoms J. (North Atlantic). 

 Josephine Bank, 600 fathoms J. (North Atlantic). 



j Portugal ; Sicily ; x Ascension, Station 343, 425 fathoms ; Cape Sagras, 

 ( 165 fathoms, P. (Atlantic ; Pacific). 



Cape Sagras, 80 fathoms, P. (Atlantic; Pacific). 



Cape Verde Islands ; Sicily ; Messina, 35-55 fathoms (East Atlantic). 



Cape Verde Islands ; SicUy (East Atlantic). 



Madeira ; Azores ; SicOy (North Atlantic). 



