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 Mteton?, 



Vol. XXXII, Art. VIII, pp. 185-236. 

 New York, July, 9, 1913. 



