PLATE LXIX. 



PAGE 



Caulocalyx tener, F. E. S., , . .172 



Fig. 1. A much damaged specimen, preserved in alcohol ; natural size. 



Fig. 2. Dermal (hypodermal ?) peutact with echinated tangential rays and 

 tuberous inner tangential ray ; x 300. 



Figs. 3, 4. Discohexaster with long bent terminal rays, increasing gradually in 



thickness towards the exterior ; x 450. 



Fig. 5. Gastral hexact with rough rays; x 100. 



Fig. 6. Small plumicome ; x 1000. 



Figs. 7, 8. Terminal rays of discohexasters ; x 1000. 



