PLATE C. 



FIG. i. Astropecten calif ornicus Fisher; % natural size. San Francisco. 

 FIG. 2. Luidia foliolata (Grube). Dorsal side; *fc natural size. San Fran- 

 cisco. 

 FIG. 20. The same. Portion of a ray ; X 4J4. 



(202) 



