The Voyage of HMS "Challenger" 



Madreporaria PI II 





f? 



m 5 



: 



■•?,, 





8 C 



Purkiss adnat Eth 



I.PLEUROCYATHUS 4,5. DON T OTROCH US. 



2,3 DELTOCYATHUS 6,7. ACANTHO C YATH US. 



8.CYATHOCERAS. 



Hanh^rt 



imp 



