Über Entwickelungsgeschichte der Thiere; Beobachtung und Reflexion. Erster [Zweiter]Theil. .

Königsberg: Bei den Gebrüdern Bornträger, 1837. First edition. Plates of first volume foxed; bright clean copy, professionally recased and original spine laid down; abrasions to front and rear covers where tape was removed; shelf rubbing; internally bright, fresh copy. 2 vols. bound in one; small 4to; xii (i) 271 + (iv) 315 (1)pp; folding table bound between I/224-225; three hand-colored folding plate at rear of Vol. I; four folding plates (one hand-colored) at rear of Vol. II. Contemporary boards with leather spine and tips. Baer's Magnum opus. Baer proved Harvey's century-and-a-half old proposition that all animals come from eggs and founded the modern science of embryology. This copy bears the discreet owner's stamp of the noted anatomist and medical professor H.K. Corning, himself the author of a later textbook on embryology. (PMM 288b). Horblit 9a.