[1] My arrival in England was postponed to some months later through an attack of beriberi.
[2] It was unknown to me till afterwards that Dr. Koch-Grünberg of Berlin had, in 1904, ascended the Uaupes to, I believe, 71° west longitude.
[3] A rifle, where possessed, is never used against an animal but kept for use against the white man.
[4] Turtle eggs are, curiously enough, not considered fœtal.
[5] For my share I had the honour to receive, through the Secretary of State for Foreign Affairs, the thanks of the French Government.
[6] Steamers have been on the Amazon since 1853, and navigation is continuous throughout the year (cf. Brazilian Year-Book).
[7] I never saw the Andes actually from these districts, but the suggestion is always there, they are seen in the mind’s eye; an ultimate, if invisible, limit to what would otherwise seem more than illimitable.
[8] Wallace, p. 246.
[9] Spruce, ii. 379-380.
[10] Robuchon’s estimate of distances is 471 geographical miles from Iquitos to the mouth of the Issa; thence to the Cotuhe, which he places at 2° 53′ 12″ S. and 69° 41′ 10″ W., 150 geographical miles. From the Cotuhe to the Igara Parana, 252 miles, a total distance of 873 geographical miles from Iquitos to the Igara Parana.