220 -ENDEAVOUE'' SCIENTIFIC RESULTS. 



tributary lurrows. Often, a single furrow is continuous be- 

 tween the centres of two adjoining asterisks. That some 

 special significance attaches to these furrows is indicated by 

 the occurrence along them of "pores" of distinctly larger size 

 than anv to be found elsewhere on the surface. Althous^h 



n 



n 



F'g- ^5~ Glathria rnbens. a Principal styles. 

 b Auxiliary stj-les c Acanthostyles. d Chela. 

 e Toxa. 



these "pores" are probably exhalant openings, it would 

 appear (from a single specimen rather imperfect!}' preserved 

 m alcohol) that, in the living condition, they are roofed over 

 by dermal membrane 



The largest specimen — that which is figured herein — 

 measures 450 mm. in height and 250 x 130 mm. in its greatest 

 transverse dimensions. The older portions of the sponge are 



