Plate 14. 



Dorocidaris calacantha A. Ag. and Clark. 



1. Ambulacral view of partly cleaued specimen. 



2. Interambulacral view of same. 



3. Interambulacral view of cleaned test. 



4. Ambulacral view of same. 



5. Abactinal view of partly cleaned young specimen. 

 G. Actinal view of same. 



7. Interambulacral view of same. 



8. Ambulacral view of same. 



All figiires natural size. 



