THREE CRUISES OF THE BLAKE, VOL. II. 



BULLETIN 



OF THE 



MUSEUM OF COMPARATIVE ZOOLOGY 



AT 



HARVARD COLLEGE, IN CAMBRIDGE. 



VOL. XV. 



[Published by permission O/CARLILE P. PATTERSON and JULIUS E. HILGABD, 

 Superintendents U. S. Coast and Geodetic Survey.] 



CAMBRIDGE, MASS., U. S. A. 



1888. 



