Diam. 



PLATE VIII. 



Schizopathes crassa, n. sp. 



Fig. 1. The type specimen ; one-third natural size. 



Fig. 2. Portion of a branch, showing the arrangement of the dimorphic 

 zooids, as seen from the side ; natural size. 



Fig. 3. The same portion, seen from above, . . . . . x 3 



Fig. 4. The sickle-shaped base seen in profile ; natural size. 



Fig. 5. Portion of a branch, showing the arrangement of the spines, . x 13 



