216 



THE VOYAGE OF H.M.S. CHALLENGER. 



Ecliinarachnius — continued. 



E. paniui, Gray. 



Arachnoides, Kl. 



A. placenta, Agass. 



Echinodiscns, Breyn. 

 E. auritus, Leske. 

 E. Uforis, A. Ag. 



X E. Imvis, A. Ag. 



MelUta, Kl. 



M. erythrcea, Gray. 

 M. longifissa, Mich. 

 M. pacified, Verrill. 



X M. sexforis, A. Ag. 

 M. stokesii, A. Ag. 



M. testudinata, Kl. 



Astriclypeus, Verrill. 

 xA. manni, Verrill. 



Rotula, Kl. 



R. augusti, Kl. 

 R. rumj)hii, Kl. 



Eneope, Agass. 



E. californica, Verrill. 



X E. emanjinata, A ass. 



E. (jrandis, Agass. 

 E. michelini, Agass. 

 E. micropora, Agass. 



PETALOSTICHA, Haeckel. 

 CassiddlidjE, Agass. 



EcHlNONElD.*;, Agass. 

 Echinonciis, Van Phel. 



E. cyclostomus, Leske. 



E. semilunaris, Lamk. 



NUCLEOLID.E, Agass. 

 Ncolampas, A. Ag. 

 N. rostellata, A. Ag. 



Range 

 in Depth. 

 Fathoms. 



-306 B. 



-270 B. 



B. 



-70 C. 

 -11 B. 



Principal Localities. 



fNew Jersey; Labrador; off 

 George's IJank, Vancouver 

 Island ; Kamtchatka ; Aleu- 

 tian Islands ; Japan ; Aus- 



[ tralia ; India ; Red Sea. 



j New Zealand ; Australia ; 

 ( East India Islands ; Burmali. 



Zanzibar; Philippine Islands. 

 ( Mozambique ; Red Sea ; Java ; 

 ( Cape of Good Hope. 

 ( Japan ; New Caledonia ; East 

 ) India Islands ; South Africa. 



Red Sea (?). 



Panama ; GuK of California. 



Peru. 



"West India Islands; South 

 Carolina ; Bermudas ; Brazil. 



Guayaquil ; Panama ; Gala- 

 \ pagos. 



( Brazil ; West India Islands ; 

 ) North and South Carolina; 

 ( Nantucket. 



China; Japan. 



Liberia. 



Senegal ; Cape Verde Islands. 



Gulf of California. 

 ( Brazil ; West Indies ; Yuca- 

 } tan ; Florida ; South Caro- 

 ( lina. 



Gulf of California. 



Yucatan ; Florida. 



Panama ; Gulf of California, 



Tertiary. 



Cretaceous. 



Jurassic. 



100-690 B. P.; 



Australia ; Kingsmills Islands ; 

 Zanzibar ; East India Islands. 

 Florida ; West India Islands. 



Straits of Florida; Caribbean 

 Islands ; North-East Atlantic. 



North America; 

 Patagonia ; 

 Australia. 



^ Miocene. 

 I California (As- 

 I terodaspis ?) 

 I Australia. 



-France; Austria. 



Pleistocene. 

 "North America. 



Pleistocene. 

 "North America. 





Miocene. 

 I North America; 

 West Indies. 



