. The descent of man, and selection in relation to sex. Evolution; Heredity; Human beings; Natural selection. B^. *\g. I. Upper figure human embryo, from Ecker. Lower figure that of a dog, &om Bischoff. a. Fore-brain, cerebral hemispheres, etc. b. Mid-brain, corpora qiiadrigemina, c. Hind-brain, cerebellum, medulh oblongata, d. Eye. e. Ear. f. First visceral arch. g. Second visceral arch. H. Vertebral columns and muscles in process of development. i. Anterior extremities. K. Posterior extremities. L. Tail or os coccyx. certain glands, called the corpora Wolffiana, correspond with and act l


. The descent of man, and selection in relation to sex. Evolution; Heredity; Human beings; Natural selection. B^. *\g. I. Upper figure human embryo, from Ecker. Lower figure that of a dog, &om Bischoff. a. Fore-brain, cerebral hemispheres, etc. b. Mid-brain, corpora qiiadrigemina, c. Hind-brain, cerebellum, medulh oblongata, d. Eye. e. Ear. f. First visceral arch. g. Second visceral arch. H. Vertebral columns and muscles in process of development. i. Anterior extremities. K. Posterior extremities. L. Tail or os coccyx. certain glands, called the corpora Wolffiana, correspond with and act like the kidneys of mature fishes. ^'^ Even at a later *^ Qwen, "Anatomy of Vertebrates," vol. i. p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Darwin, Charles, 1809-1882. New York Hurst


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Keywords: ., bookcentury1800, bookdecade1870, booksubjecthumanbeings, bookyear