172 CALIFORNIA ACADEMY OF SCIENCES. [Proc. 30 Ser. 



EXPLANATION OF PLATE XXL 

 All figures natural size. 



Fig. I. Schizaster Le Contei, sp. nov. 



View of an obliquely crushed specimen from above. 

 Fig. \a. Lower surface of the specimen of Scliizaster Le Contei shown 



in fig. I. 

 Fig. 2. Clypeaster (?) Brewerianus Remond. 

 Fig. 3. Astrodapsis iumidiis Remond. 

 Fig. 4. Astrodapsis Whitneyi Remond. 

 Fig. 4a. Lower surface of the specimen of Astrodapsis Whitneyi shown 



in fig. 4. 



