580 BOTANY (ancient America).
Cook, O. F. Food plants of ancient America. (In annual report of the ... Smithsonian Institution ... for the year ending June 30, 1903, Washington: Government printing office, 1904; see pp. 481–497.)
“Revision of article on The American Origin of Agriculture, in Popular Science Monthly, October, 1902.” Sets forth some inferences to be drawn from evidences of ancient trans-Pacific communication; distribution of food-plants, etc.