| OCR Text |
Show 1870.] MYOLOGY OF CHAMAELEON PARSONII. 863 above the infero-caudal, outside the ischio-caudal, but within the lateral caudal. It is inserted into the hinder lip of the cloaca. The femoro-caudal will be described amongst the muscles of the pelvic limb. Fig. 9. .S..&.- -E.-Zl. ~JF*,7i. EJ- .A ."I inr.z* Radial side of right arm. A8. Adductor digiti terti. A4. Adductor digiti quarti. B. Biceps. B1, B2, B3 Extensores phalangorum. E3, E*, E5. Extensores metacarporum. E. R. L. Extensor radialis longior. F. R. Flexor radialis. M. P. Extensor metacarpi poliicis. P. T. Pronator teres. S. L. Supinator longus. APPENDICULAR MUSCLES. I. MUSCLES OF THE PECTORAL LIMB. Pectoralis* (figs. 1, 3, and 13, P ) . This rather narrow but fleshy muscle arises from the sternum (partly within but mostly behind the origin of the sterno-mastoid), from the third sternal rib, and from the fascia of the external oblique. It is inserted into the anterior aspect' of the radial tuberosity of the humerus, just external to tbe tendon of the biceps. Its most anterior part is superficial to the infero-median portion of the subclavius or epicoraco-humeral. The trapezius f (figs. 1, 6, 13, Tr.) is an exceedingly small muscle, which arises from a strong fascia attached to the neural spines, from about the fifth to the seventh. Narrowing downward * Meckel, I. c. p. 344. t Meckel, I. c. p. 310. |
