114 



THE DEPTHS OF THE SEA. 



[CHAP. in. 



the corticate type, though it differs from all the other 

 known members of the order in being supported on a 

 long symmetrical stalk formed, as Professor Love*n 

 has shown, of sheaves of short spicules bound together 



FIG. IS.Stylocordyla boreulis, LOVUN (Sp.,. Natural size (No. (54.) 



by horny cement. A tuft of delicate fibres fixes 11 

 base of the stem in its position. Professor Oscar 

 Schmidt, in his Outline of the Sponge Fauna ol 

 the Atlantic," refers this form to his genus Cometella, 





