| OCR Text |
Show 1891.] ANATOMY OF THE KAGU. 17 only one visible on an anterior aspect of the tibia ; it arises from crest of the tibia, from the fascia covering the tibialis anticus on its upper part, from the septum between itself and the head of the gastrocnemius, and from that between itself and the extensor communis ; its long tendon, as appears to be invariably the case with birds, is attached to that of the flexor perforatus of digit n. Fig. 3. Gastrocnemius of Rhinochetus, dissected to show its connection with the Semitendinosus. St, Semitendinosus; A, its accessory head; Sm, Semimembranosus. (11) The Peroneus brevis arises from the fibula; its tendon passes below that of the peroneus longus and is attached to the metatarsals on the outer side. This muscle is wanting in Ardea and Ciconia, but is present in Grus. (12) The Tibialis anticus lies beneath the Peroneus longus; it arises from two heads-the upper and larger from the crest of the tibia, from the fascia covering the knee, and from the septum between P R O C . Z O O L . S o c - 1 8 9 1 , N o . II. 2 |
