PLATE 40 



Hindia fibrosa (Roemer) 

 Page 176. 

 Fig. 1. An incomplete sponge. 

 Figs. 2, 3. Complete individuals. 

 Fig. 4. A specimen that shows the radial canals and spicules. (,X2). 



Streptelasma strictum Hall 

 Page 177. 



Figs. 5-8. Side views of incomplete coralla. 

 Fig. 9. Top view. 

 Fig. 10. Side view. 

 Fig. 11. Top view. 



Favosites helderbergice Hall 

 Page 177. 



Fig. 12. Top view of a portion of a corallum. 



Figs. 13-16. Side views of specimens. 



Fig. 17. Top view of a fragment of a corallum. 



