Manuscript describing the author's understanding of the plumage hunters' motivation. The author lays the blame of demand of plumage at the feet of plumage dealers, milliners, and the women who buy plumage.
Manuscript containing excerpts from the "Plume hunting", "Grebe hunting", and "Notes on grebe skin traffic" manuscripts. This document further expands upon the motivation of plume hunting. Author also provides physical description, observations of behavior, and figurative description of some specimens in the wild.
The handwritten manuscript features a rough draft of "Bird lives" as well as other manuscripts that most likely were broken up into different manuscripts later.