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Show 270 MR. ST. GEORGE .MIVART ON [Api*. 22, Gluteus maximus (figs. 8 & 9, G. Mx). An elongated, but tolerably wide muscle (which I provisionally distinguish by this name) springs from the outside of the lower part of the ilium, and, passing downwards, ends in an aponeurosis which invests the knee anteriorly, and passes to the upper part of the front of the tibia. Rectus femoris (fig. 8 & 9, R. F ) . This is very similar in shape and size to the preceding. It arises from the pelvis immediately in front of the gluteus maximus and of the acetabulum, and, passing downwards on the tibial side of the last-named muscle, is inserted by aponeurosis into the inner side of the upper part of the tibia. Gluteus medius (?) (fig. 9, G. Md). A small muscle invests the outer side of the femur, somewhat as a vastus externus. It arises, however, from the ilium just above the acetabulum. Passing downwards, covered by the gluteus maximus, it is inserted into the front and peroneal side of the shaft of the femur down to near the external condyle. Fig. 10. •&-<**•• A. Deeper muscles of ventral or flexor surface of right pelvic limb, the gracilis being cut, and reflected. Adductor. B. Biceps. F. C. Femoro-caudal. F. D. Flexor digitorum. G. Gracilis. /. Iliacus. I. C. Ischio-caudal. II. C. Ilio-caudal. /. P. Ilio-peroneal. S.M. Semimembranosus. S. T. Semitendinosus. T.A. Tibialis anticus. Gluteus minimus (?) (fig. 9, G. Mi). This is a still smaller muscle than the preceding, and arises from the hinder surface of the ilium and immediately opposite the origin of the gluteus medius, being separated from it only by the ilium. Passing downwards it is inserted beside the last-named muscle, with which it is intimately connected. Ilio-peroneal (figs. 9 &, 10, I. P). A muscle which I propose thus to designate, and which is very long and slender, arises from the ilium immediately beneath and closely connected with the gluteus maximus. It is inserted into the peroneal side of the fibula slightly above its middle. |
