ACTINOPODOUS HOLOTHUKIOIDEA. 



99 



Specimens examined : — 



Descrij)tion : — " The spicules of this species present a con- 

 siderable resemblance to those of //. tigris, witli which, as it 

 would seem, it must bo closely allied. As there is but a single 

 specimen, presenting well-marked external characters, I think it 

 right to limit myself to an account of these. Body elongated, 

 trivium flat, bivium convex, anus round, unarmed, without (per- 

 haps having lost) any distinct indications of pontamerous mark- 

 ing ; ambulacral papilla; on the convex back, three rows of not 

 very regularly arranged suckers on the trivium. An appearance 

 of ringing both above and below is produced by the white colours 

 and transverse setting of the papillix; and suckers respectively ; as 

 the former are less numerous than the latter, there are only about 

 thirty bivial rings, while on the trivium two or three rings are 

 here and there confluent and present a kind of longitudinal mark- 

 ing. The single specimen is 49 mm. long and 10 mm. wide." 

 (Bell 1884). 



licmarks : — It is not without some misgiving that 1 identify 



