PLATE 130. 



signification of the characters is the same in all the figures (compare p. 718). 



a. Northern polar spines. 



b. Northern tropical spines. 



c. Equatorial spines. 



d. Southern tropical spines. 

 e. Southern polar spines. 



ASTROLONCHIDA. 



Diam. Page 

 X 300 745 



Fig. 1. Acanthometron bulbiferum, n. sp., 

 Fig. 2. Acanthometron cylindricum, n. sp., . 

 Fig. 3. Lifhophyllium gladiatum, n. sp., 

 Fig. 4. Stauracantha quadrifurca, n. sp., 

 Fig. 5. Stauracantha orthostaura, n. sp., 

 Fig. 6. Phatnacantha icosaspis, n. sp., 

 Fig. 7. Pristacantha polyodon, n. sp., 



Fig. 8. Pristacantha dodecodon, n. sp., 



Only the central parts and the leaf-cross. 



Fig. 9. Pristacantha octodon, n. sp., . 



