Surveying Voyages of H.M.S. 'Adventure' and 'Beagle,' etc."
For the rest of the year, Corals and Zoology of the Voyage.
Publication of the "Zoology of the Voyage of H.M.S. 'Beagle,'" Part II.
(Mammalia).

1840.

Worked at Corals and the Zoology of the Voyage.
Contributed Geological introduction to Part I. of the "Zoology of the
Voyage" (Fossil Mammalia by Owen).

1841.

Publication of Part III. of the "Zoology of the Voyage" (Birds).
Read paper on Boulders and Glacial Deposits of South America, to Geological
Society.
Published paper on a remarkable bar of Sandstone off Pernambuco, on the
coast of Brazil.
Publication of Part IV. of "Zoology of the Voyage" (Fish).

1842.

May 6th:
Last proof of the Coral book corrected.

June:
Examined Glacier action in Wales.
"Wrote pencil sketch of my Species Theory."

July: