PLATE LXVII. 



PAGE 



Crateromorpha tumida, F. E. S., . . . . 166 



(Erroneously named Aulochone on the Plate.) 

 Fig. 1. A somewhat damaged specimen, j^reserved in alcohol ; natural size. 

 Fig. 2. Part of a long strong diact with club-shaped rough ends ; x 100. 

 Fig. 3. Part of a small diact with club-shaped rough ends ; x 200. 

 Fig. 4. Autodermal tetract, triact, and diact with rough rays ; x 200. 

 Fig. 5. Oxyhexaster wth strong principal and terminal rays ; x 500. 

 Fig. 6. Discohexaster with numerous terminal rays ; x 500. 

 Fig. 7. Portion of the outer part of the body ; x 60. 

 Fig. 8. Portion of the inferior part of the stem ; x 100. 



This Plate was arranged by Sir Wyville Thomson. 



