Plate VI. 



Crateromorphn rm'ritgafa Lt. P. 78. 



Figs. 1. t^' 2. Dermalia drawn in jiavt. oOO x. 



Fio-. ?t. Oxyhexaster. 300 x . 



Fig. 4. Part of a discoliexastcr. 1000 x . 



Fig. ~). Stalk and basai dise; the former eut o})en longitudinally to show 



the internal canals. Above, the stalk is branched at the jnnction 



with the body proper, which is lost, i nat. size. 

 Fig. (J. An entire specimen (0. C. No. 108). ^VT "'"i^- '"^i^^- 

 Fig. 7. The body of another complele specimen (S. C. M. No. 305) 



longitudinally bisected. The dermal surface, including that of 



intercanals, is colored yellow. Nat. size. 

 Fig. 8. Spicnlation of the body-wall. Above, dermal surface ; below, 



gastral surface. Al)ont 20 x . 



Figs. 9-17. Scyphidium narniyei (Ij.). P. 32. 



Figs. 9, a & h. The two type-specimens (S. C. M. No. 302). Aliont I 



nat. size. 

 Fig. 10. Pentactinic dermalia. 300 x . 

 Fig. 11. Gastralia. 300 x. 

 Fig. 12. Oxyhexaster. 300 x . 

 Fig. 13. A terminal from the same. 1000 x . 

 Fig. 14. Onter end of discohexast(M- terminal. 1000 x . 

 Fig. 15. Microdiscohexaster. 300 x . 

 Fig. 16. Discohexaster. 300 x . 

 Fig. 17. Spiculation of the wall. Above, dermal lay^r : below, gastral 



laver. About 20 x . 



