1871-1872: AGE 64-65.
Sailing of the Hassler.--Sargassum Fields.--Dredging at Barbados.
--From the West Indies to Rio de Janeiro.--Monte Video.
--Quarantine.--Glacial Traces in the Bay of Monte Video.--The Gulf
of Mathias.--Dredging off Gulf of St. George.--Dredging off Cape
Virgens.--Possession Bay.--Salt Pool.--Moraine.--Sandy Point.
--Cruise through the Straits.--Scenery.--Wind Storm.--Borja Bay.
--Glacier Bay.--Visit to the Glacier.--Chorocua Bay.