nsfw:racy: Possible ocr: - 4 e d H a H- I Fig. 1 Left-hand figure human embryo, from Ecker- Right-hand figure that of a dog, from Bischoff. a- Fore-brain, cerebral hemispheres, &c.; b. Mid-brain, corpora quadrigemina; C- Hind-brain, cerebellum, medula 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. DARWIN: DESCENT OF MAN