VARIOUS 



259 



Fig. 187. — Eledone ("Blake"). 



Fig. 188. — Cellularia, one of 



THE POLYZOA ("BlAKE"). 



Fig. 190.— Terebratula , a Lamp- 

 shell ("Challenger"). 



Fig. 189. — Cellularia, 



MAGNIFIED (" BLAKE ") . 



