CHAP. IX. | THE DEEP-SEA FAUNA. 429 
the hex-radiate type characteristic of this group. 
Between the two netted surfaces the sponge sub- 
stance is formed of loose curving meshes of loosely 
aggregated bundles of long simple fibres, sparsely 
mixed with spicules of other forms. This sponge 
seems to live fixed to a stone. There are no 
anchoring spicules, and the bottom of the vase, 
Fic. 67.— 4skonema setubalense, KENT. One-eighth the natural size. (No. 25, 1870.) 
which in our two specimens is a good deal con- 
tracted and has a square shape something like an 
old Irish ‘mether,’ has apparently been torn from 
some attachment. This fine species was named 
Askonema setubalense, and very briefly described 
from a specimen in the Lisbon Museum by Mr. 
Saville Kent, in a paper in which he noticed some 
