Natural Science, vol. vii. 



[Plate VI. 



Sponges and Coelenterates. 



Fig. I. A mphilectus challengeri, Ridley ; amonaxonid; Molucca Sea ; x •^. 

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

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

 36 inches long, is cut short. 



