PLATE 130. 



N.B. — The signification of the characters is the same in all the figures (compare p. 718). 



a. Northern polar spines. 

 1). Northern tropical spines. 



c. Equatorial spines. 



d. Southern tropical spines. 

 e. Southern polar spines. 



ASTKOLONCHIDA. 



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



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



Fig. 3. Liihophyllium 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. 



Diam. Page 



x 300 



x 200 



745 



743 



X 



200 



754 



X 



300 



764 



X 



200 



762 



X 



400 



765 



X 



300 



766 



X 



300 



766 



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



x 200 



765 



