Uterus mammal animals placental huxley pregnant 1881 anatomy manual clarku edu book homo diagrammatic fig section T. h. huxley: a manual of the anatomy of vertebrated animals (1881) Organism cell development embryo clipart plant embryonic processes animal stages zygote plants embryogenesis mammal first mammalian point form species
T. H. Huxley: A Manual of the Anatomy of Vertebrated Animals (1881)
