234 



THE VOYAGE OF H.M.S. CHALLENGER. 



The following species are also fouud within the continental limits. They are either 

 littoral species (L."*") which extend beyond the ordinary range of the littoral species into 

 the continental limits, or they are littoral species (L."^+) which extend not only into the 

 continental limits, but also into the limits of the abyssal fauna ; some of the species 

 extending nearly to the greatest dejath at which Echinids have been collected. 



DESMOSTICHA, Hteckel. 



ClDARID^, Miill. 



GONIOCIDARID^, HcBckel. 



Cidaris, Kl. 

 L. +x G. tribidoides, BL, 



Dorocidaris, A. Ag. 



L +* D. hract'eata, A. Ag., 

 L.++X-0. papillata, A. Ag., . 



Goniocidaris, Des. 



L.++xff. canaUculata, A. Ag. 



Arbacid^, Gray. 



Arhacia, Gray. 



L. + x A. d-tifresnii,Gi3.y, 

 L. X A. punctulata, Gray, 



EcHiNOMETRAD^, Gray. 



Echinometra, Rondel. (Breyn.). 

 L. +x .B. subaiu/ularis, Desml., 



Sphcerechmus, Des. 



L. +x iS. granidaris, A Ag., 



Range 

 in Depth. 

 Fathoms. 



-250 B. 



-100 c. 

 -874 B. 



-1975 C. 



-175 C. 

 -125 B. 



-250 B. 

 -400 C. 



Principal Localities. 



South Carolina ; West India Islands ; Cape Palmas. 



AmbojTia. 



Norway ; Philippines ; Sonth Atlantic. 



Patagonia ; Zanzibar ; Australia ; Southern Ocean. 



Patagonia ; Chili. 



Long Island Sound ; Yucatan. 



Senegal ; "West India Islands ; Ascension Island. 



Mediterranean ; St Vincent. 



