OCR Text |
Show 82 MR. A. SANDERS O N T H E [J1 Superficial muscles on the ventral aspect of the posterior extremity. X 3. joint, and in joining the semimembranosus ; it differs from the same muscle in P. japonicum by being double and joining the semimembranosus, but resembles it in passing through the joint. Mr. Mivart has figured this muscle both in Iguana and Chamceleon under the name of tibial adductor. Pyriformis (fig. 4, Py.) resembles the same muscle in L. belli and P. japonicum in general appearance, but differs slightly in origin, inasmuch as it is not attached to the centre of the caudal vertebrae, but only to the inner end of the under surface of the transverse processes of the sixth to the first inclusive ; it passes as usual through the pulley formed by the ilio-ischiatic ligament, and is inserted into the femur at the posterior border of the pectineus. The tendon, which passes down the thigh, is inserted into the interarticular cartilage of the knee-joint, |