. A catechism of natural theology. Natural theology; Anatomy. NATURAL THEOLOGY. 133 rising motion ? The contrivance which a mechanic would have employed is that which is actually adopt- ed. The tendon of the muscle passes up from the breast, above the wings, and is there inflected through a ring or pulley, and fastened to the top of the wing bone, and is thus enabled to perform the service required. Fig. d, and c, the two pectoral or breast muscles dissected and raised from the breast bone a : d, being the larger muscle for draw- ing down the wing ; and c, the elevating muscle. The ten- d
. A catechism of natural theology. Natural theology; Anatomy. NATURAL THEOLOGY. 133 rising motion ? The contrivance which a mechanic would have employed is that which is actually adopt- ed. The tendon of the muscle passes up from the breast, above the wings, and is there inflected through a ring or pulley, and fastened to the top of the wing bone, and is thus enabled to perform the service required. Fig. d, and c, the two pectoral or breast muscles dissected and raised from the breast bone a : d, being the larger muscle for draw- ing down the wing ; and c, the elevating muscle. The ten- don of c, is represented above the wing joint at/, elevated by a pin and inserted into the wing bone, a short distance from the joint. B. How curious to notice the exact resemblance in the manner in which the gaff of a vessel is drawn up on which the sail is spread, and that which is here employed in raising and expanding the wing ! M. 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 Nichols, I. (Ichabod), 1784-1859. Boston : W. Hyde
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Keywords: ., bookcentury1800, booksubjectanatomy, booksubjectnaturaltheology
