VIII 



HEXACTINELLIDA 



205 



on the Sea Anemone. Finally, the root tuft was shown to be 

 proper to the 

 sponge, which was, 

 however, figured 

 upside down, till 

 some Japanese col- 

 lectors described 

 the natural posi- 

 tion, or that in 

 which they were 

 accustomed to 

 find it. 



Pheronemacar- 

 penteri was found 

 by the Lightning 

 off the north of 

 Scotland in 530 

 fathoms. The 

 goblet - shaped, 

 thick walled body 

 and broad, ill - 

 denned root tuft 

 are shown in Fig. 

 98, but no figure 

 can do justice to 

 the lustre of its 

 luxuriant pros- 

 talia and delicate 

 dermal network 

 with stellate knots 

 at regular inter- 

 vals. The basalia 

 are two - pronged 

 and anchor-like. 



Both the Hexas- 

 terophoran genera 



, . , on Fig. 98. Pheronema carpenter i. x . (From 



Were dredged off Wyville Thomson.) 



the north of Scot- 

 land, and both conform to the Lyssacine type without uncinates. 

 Euplectella suberea is a straight, erect tube, anchored by a tuft 



