Archive image from page 691 of The cyclopædia of anatomy and. The cyclopædia of anatomy and physiology cyclopdiaofana0401todd Year: 1847 670 SKELETON. join each other at the common median line The pair of scapulae (B) forms asymmetrical (a, b). From these laminae we find jutting figure : both scapulae (c, c) are evidently out laterally the exogenous transverse pro- similar to each other, and also to the laminse cesses (rf, d), each of which is tipped by an (c, c) of the vertebra (A). From each sca- epiphysis. pula we find projecting laterally an exogenous Fig. 489. I Showing that the pair
Archive image from page 691 of The cyclopædia of anatomy and. The cyclopædia of anatomy and physiology cyclopdiaofana0401todd Year: 1847 670 SKELETON. join each other at the common median line The pair of scapulae (B) forms asymmetrical (a, b). From these laminae we find jutting figure : both scapulae (c, c) are evidently out laterally the exogenous transverse pro- similar to each other, and also to the laminse cesses (rf, d), each of which is tipped by an (c, c) of the vertebra (A). From each sca- epiphysis. pula we find projecting laterally an exogenous Fig. 489. I Showing that the pair of scapula; and the pair of iliac bones, compared with the pair of vertebral lamina?, prove a homological relation, and also that the heads of the humerus, the femur, and the rib are similar to one another. process (d, d\ which is commonly named acromial process, and each is tipped with an epiphysis also. These acromial processes evidently correspond to the transverse pro- cesses (d, d} of the vertebra (A). The pair of iliac bones (c) likewise forms a symmetrical figure when laid crest to crest. These two iliac bones (e, c) are homologous, not only to each other, but to the two sca- pulae (B), and to the two vertebral laminae of A. From each iliac bone there projects late- rally the process d, d, which answers to the acromion process d of B, and to the transverse process d of A. The process d of c is named anterior inferior process of the ilium, and it is tipped with an epiphysis. The law of symmetry becomes the expo- nent of the structural identity existing between the figures A, B, and c; for we find the coin- If this homological relation which I point out as apparent between the pairs of scapula; and iliac bones, with the pair of vertebral lamina?, be true, then the homological relation which Professor Owen describes as existing between the scapulae and the ribs, as also between the iliac bones and the ribs, cannot at the same time be received as a true doctrine. mon medi
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