Considérations sur les corps organisés
First edition illustrated with two title vignettes designed by Picart.
19th-century black Bradel binding in full boards. Orange calf title labels. Small rubbing to headcap. Handsome copy.
A major work on generation and embryology, in which one discovers the hypothesis of chromosomes as well as that of environmental influence. Bonnet perfects his thesis according to which every being exists previously in germ form in nature, thus the embryo already exists in the seminal fluid, and generation is merely the simple development of the germ, which, from small, develops through nutrition; the germ already containing everything that will be developed. Although...
