div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader040vdocumentinreader040viewer2022020522575067e21a28ab0f07ad9646html5page1jpg target=_blank img data-url=a-french-expedition-to-the-cameroon-mountainshtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A French Expedition to the Cameroon Mountains loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer2022020522575067e21a28ab0f07ad9646html5thumbnails1jpg width=140 height=200 adivp©1940 Nature Publishing Grouppdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader040vdocumentinreader040viewer2022020522575067e21a28ab0f07ad9646html5page2jpg target=_blank img data-url=a-french-expedition-to-the-cameroon-mountainshtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: A French Expedition to the Cameroon Mountains loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentinreader040viewer2022020522575067e21a28ab0f07ad9646html5thumbnails2jpg width=140 height=200 adivp©1940 Nature Publishing Grouppdiv