Bulletin of the Museum of Comparative Zoology 

 AT HARVARD COLLEGE. 



VOL. LII. No. 17. 



THE ECHINODERMS OF PERU. 



BY HUBERT LYMAN CLARK. 



WITH FOURTEEN PLATES. 



CAMBRIDGE, MASS., U.S.A.: 

 PRINTED FOR THE MUSEUM. 



OCTOBER, 1910. ? , 



I 



