Memoirs of the Museum of Comparative Zoology 
AT HARVARD COLLEGE. 
_Vout. XXVII. No, 4. 
REPORTS 
ON THE 
RESULTS OF DREDGING. 
UNDER THE SUPERVISION OF 
ALEXANDER AGASSIZ, 
IN THE GULF OF MEXICO (1877-78), IN THE CARIBBEAN SEA (1878-79), AND 
ALONG THE ATLANTIC COAST OF THE UNITED STATES (1880), 
BY THE 
U. §. COAST SURVEY STEAMER “BLAKE,” 
Lievut.-Com. C. D. Siasprr, U.S.N., anp ComMANDER J. R. Bartuett, U.S.N., Commanpine. 
XLV. 
DIE COMATULIDEN. 
VON 
CL. HARTLAUB. 
[Published by Permission of Car.ite P. Patrrrrson and Orro H. Tirrmann, Superintendents 
of the U. S. Coast and Geodetic Survey.] 
WITH EIGHTEEN PLATES. 
CAMBRIDGE, MASS., U.S. A.: 
Printey for the fMuseum, 
AprIL, 1912. 
