De Ovi Mammalium et Hominis Genesi Epistolam ad Academiam Imperialem Scientiarum Petropolitanam dedit Carolus Ernestus a Baer.
Leipzig: Leopold Voss, 1827. First edition, rare, especially in original boards as here, of von Baer’s landmark paper, in which he announced the discovery of the mammalian ovum. The idea that all animals begin as eggs had been current at least since the seventeenth century, when William Harvey, in his..... More
Item #4787