CHAPTER 23.
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.

CHAPTER 24.
1872: AGE 65.

Picnic in Sholl Bay.—Fuegians.—Smythe's Channel.—Comparison of
Glacial Features with those of the Strait of Magellan.—Ancud.
—Port of San Pedro.—Bay of Concepcion.—Three Weeks in
Talcahuana.—Collections.—Geology.—Land Journey to Santiago.
—Scenes along the Road.—Report on Glacial Features to Mr. Peirce.
—Arrival at Santiago.—Election as Foreign Associate of the
Institute of France.—Valparaiso.—The Galapagos.—Geological and
Zoological Features.—Arrival at San Francisco.

CHAPTER 25.
1872-1873: AGE 65-66.

Return to Cambridge.—Summer School proposed.—Interest of Agassiz.
—Gift of Mr. Anderson.—Prospectus of Penikese School.
—Difficulties.—Opening of School.—Summer Work.—Close of School.
—Last Course of Lectures at Museum.—Lecture before Board of
Agriculture.—Illness.—Death.—Place of Burial.

LIST OF ILLUSTRATIONS.