CHAPTER VI.

Voyage from Buenos Ayres to Santos--Tropical vegetation in Brazil--Visit to San Paulo--Journey from San Paulo to Rio Janeiro--Valley of the Parahyba do Sul--Ancient mountains of Brazil--Rio Janeiro--Visit to Petropolis--Falls of Itamariti-- Struggle for existence in a tropical forest--The hermit of Petropolis--Morning view over the Bay of Rio--A gorgeous flowering shrub--Visit to Tijuca--Yellow fever in Brazil--A giant of the forest--Voyage to Bahia and Pernambuco-- Equatorial rains--Fernando Noronha--St. Vincent in the Cape Verde Islands--Trade winds of the North Atlantic--Lisbon-- Return to England 303

APPENDIX A.--On the fall of temperature in ascending to heights above the sea-level 369

APPENDIX B.--Remarks on Mr. Croll’s theory of secular changes of the earth’s climate 393

NOTES OF A NATURALIST

IN SOUTH AMERICA.