286 



THE ATLANTIC. 



[chap. V, 



water. At one or two stations off the edge of the banks sev- 

 eral species of the curious liifulaster-like genus Pourtalesia 

 occurred, but extremely small and dwarfed, a great contrast 

 to the fully developed forms of the same group whicli are 

 abundant in the Antarctic Sea. 



Although most of the dredgings between Bermudas and Ma- 

 deira, with the exception of a few near the Acores, were in very 

 deep water, animal life was fairly represented ; and some groups, 

 the Cirripedia, for example, yielded one or two of their largest 

 and most striking species. 



The six stations on the section between Madeira and Station 

 CII, were mostly in water of moderate depth on a line parallel 

 with the coast of Africa, and sufficiently near the coast to have 

 the deposits sensibly influenced by the presence of land detri- 

 tus. Such an admixture of river or shore mud is usually unfa- 



