Naturat, Science, vol. vii. 



[Plate VI. 



Sponges and Coelenterates. 



Fig. I. A mphilt'ctuschallengeri, Ridley ', a monaxonid ; Molucca Sea ; x ^. 

 Fig. 2. Eilhardia schulzei, Polejaeff; a calcareous sponge. 

 Fig. 3. Umbellula ihomsoni ; 2,125 fms., near Madeira. The stem, 

 36 inches long, is cut short. 



