CHAP. II. ] THE CRUISES OF THE ‘POROUPINE,? 129 
frequently entangled in large numbers on the loose 
hemp. This group seems to be specially characteristic 
of the sea at an arctic temperature. ‘They are re- 
ported of almost incredible size, thirty centimetres or 
so across, from the late German and Swedish polar 
expeditions, and they have also been found enor- 
Fie. 22.—Nymphon abyssorum, Norman. Slightly enlarged. (No. 56.) 
mously large in deep water in the antarctic regions. 
They often come up clinging to the sounding-line. 
The Mollusca, which in the preceding cruises 
usually constituted the principal results of the 
dredging, were here quite subordinate as regards 
both number and variety to the groups already 
K 
