SCIENTIFIC RESULTS OF THE EXPEDITION TO THE GULF OF CALIFORNIA 

 IN CHARGE OF C. H. TOWNSEND, BY THE U. S. FISHERIES STEAMSHIP 

 'ALBATROSS' IN 1911. COMMANDER C. H. BURRAGE, U. S. N., 

 COMMANDING. 



Published by Permission of the U. S. Commissioner of Fisheries. 



V. 



Echinoderms from Lower California, with Descriptions 



of new Species. 



BY HUBERT LYMAN CLARK. 



AUTHOR'S EDITION, extracted from BULLETIN 



OF THE 



Hmerican flDuseum of IRatural 



VOL. XXXII, ART. VIII, pp. 185-236. 

 New York,' July 9, 1913. 



