CHAPTER 22

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1868-1871: AGE 61-64.

New Subscription to Museum.--Additional Buildings.--Arrangement of New Collections.--Dredging Expedition on Board the Bibb.--Address at the Humboldt Centennial.--Attack on the Brain.--Suspension of Work.--Working Force at the Museum.--New Accessions.--Letter from Professor Sedgwick.--Letter from Professor Deshayes.--Restored Health.--Hassler Voyage proposed.--Acceptance.--Scientific Preparation for the Voyage.

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