Note 2 — Chapter I · INTRODUCTORY
Reading edition
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.
Reading edition
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.