1. An essay on the causes of the variety of complexion and figure in the human species: to which are added strictures on Lord Kaims's [sic] discourse, on the original diversity of mankind Author(s): Smith, Samuel Stanhope, 1750-1819 Publication: Philadelphia : Printed and sold by Robert Aitken, at Pope's Head, Market Street, MDCCLXXXVII [1787] Subject(s): Skin PigmentationContinental Population GroupsAnthropology, PhysicalKames, Henry Home, Lord, 1696-1782.