His studies and adventures there were published in 1869.
This is the scientist's look of Wallace upon the nature of the archipelago and his words, sometimes cold, which my pictures attempt to illustrate.
Here the Wallace line is materialized by a dotted line, on the left side are pictures frop the western part of the archipelago,
whereas on the right side only species from the eastern part are displayed.
All citations are extracted from The Malay Archipelago
.