PLATE VIII. 
Figs. 1-3 . — Diploeyathus dichotomus (p. *17). 
Fig. 1. — A colony; natural size. 
Pig. 2. — Portion of a colony ; magnified 20 diameters. 
pig 3. A hydrophore with liydrantli and sarcotlieca. The sarcostyle is seen to be 
partly protruded from the sarcotlieca ; magnified 25 diameters. 
