CHAPTER 17.
Reading edition
1852-1855: AGE 45-48.
Return to Cambridge.—Anxiety about Collections.—Purchase of Collections.—Second Winter in Charleston.—Illness.—Letter to James D. Dana concerning Geographical Distribution and Geological Succession of Animals.—Resignation of Charleston Professorship. —Propositions from Zurich.—Letter to Oswald Heer.—Decision to remain in Cambridge.—Letters to James D. Dana, S.S. Haldeman, and Others respecting Collections illustrative of the Distribution of Fishes, Shells, etc., in our Rivers.—Establishment of School for Girls.