Is Darwin Right Or the Origin of Man

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Fic. 24.
Fig. 21. — The Embryo of the Fish at an early period of its development. Fig. 22. — The Embryo of the Chick. FiG. 23. — The Embryo of the Hog. Fig. 24. — The Embryo of the Man.
larger in man than in the hog, and th^" tail is a little shorter ; but the tail of man when he is a month old is double the length of his legs.
At eight weeks old the human embryo can scarcely be distinguished from that of the highest apes, but after this its human character is firmly established.
Dr. Roget tell
...s us that "the human embryo is not exempt from the same metamorphoses" (that is, those to which the lower animals are subject), "possessing at one period branchiae and branchial apertures similar to OR, THE ORIGIN OF MAN. 57 those of the cartilaginous fishes, a heart with a single set of cavities, and a brain consisting of a longitudinal series of tubercles ; next losing its branchiae, and acquir- ing lungs, while the circulation is yet single, and thus imitating the condition of the reptile ; then acquiring a double circulation, but an incomplete diaphragm, like birds ; afterwards appearing like a quadruped, with a caudal prolongation of the sacrum, and an intermaxillary bone ; and, lastly, changing its structure to one adapted to the erect position.

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