CHAPTER 8.. 1834-1837: Age 27-30.

1834-1837: AGE 27-30.

First Visit to England.--Reception by Scientific Men.--Work on Fossil Fishes there.--Liberality of English Naturalists.--First Relations with American Science.--Farther Correspondence with Humboldt.--Second Visit to England.--Continuation of "Fossil Fishes."--Other Scientific Publications.--Attention drawn to Glacial Phenomena.--Summer at Bex with Charpentier.--Sale of Original Drawings for "Fossil Fishes."--Meeting of Helvetic Society.--Address on Ice-Period.--Letters from Humboldt and Von Buch.