Contri&uttott to American 



THREE CRUISES 



OF THE 



UNITED STATES COAST AND GEODETIC SURVEY 

 STEAMER "BLAKE" 



IN THE GULF OF MEXICO, IN THE CARIBBEAN SEA, AND ALONG 



THE ATLANTIC COAST OF THE UNITED STATES, 



FROM 1877 TO 1880. 



BY 



ALEXANDER AGASSIZ. 



IN TWO VOLUMES. 

 VOL. II. 



BOSTON AND NEW YORK: 

 HOUGHTON, MIFFLIN AND COMPANY. 

 Htoerette Pre0s, 



1888. 



