74 



THE DEPTHS OF THE SEJ. [chap. it. 



the Ralichondridce, with long supporting fibrous 



beards. 



From its appearance when brought up Boltenia 

 evidently lives buried in the mud to its upper fringe 

 of spicules. When freshly dredged, it is loaded with 



Fig, T .—TUiphonia. a^aridforrnis, Wyville Thomson. Natural size. (No. 12.) 



pale grey semi-fluid sarcode, full of Olobigerince, 

 Triloculince, and other rhizopods, and covered in our 

 northern localities with the little ophiurid Amphiura 

 abyssicola, Saes, and the exquisitely delicate trans- 



