An essay on the causes of the variety of complexion and figure in the human species [microform] : to which are added, animadversions on certain remarks made on the first edition of this essay, by Mr. Charles White, in a series of discourses delivered before the Literary and Philosophical Society of Manchester in England. Also, Strictures on Lord Kaims' [sic] discourse on the original diversity of mankind. And an appendix .

"Remarks on certain strictures made on the first edition of this essay, by Mr. Charles White" (p. [247]-306) was published in London in 1799 under title : an account of the regular gradation in man, and in different animals and vegetables. ; First published in Philadelphia in 1787. ; "Appendix. Of the natural bravery and fortitude of the American Indians": p. [351]-411. ; "Strictures on Lord Kaims' [i. e. Kames'] discourse on the original diversity of mankind": p. [307]-349. ; Microfilm. ; Mode of access: Internet.