. The structure and classification of birds . which supplies digit II. These musclesalso arise either from the ambiens or from the fibula, as hasbeen explained above under the description of the tendon to digit II. is inserted at the base of the firstphalanx, that to digit III. is usually joined by a vinculum(absent in Opisthoeomus, Asio otus, BhytidicerospUcatus)to tendon of flexor perforatus et perforans medii, and isinserted on to base of second phalanx of digit III. The thirdtendon has four slips of insertion, on to four proximalphalanges of digit IV. The descriptions of t
. The structure and classification of birds . which supplies digit II. These musclesalso arise either from the ambiens or from the fibula, as hasbeen explained above under the description of the tendon to digit II. is inserted at the base of the firstphalanx, that to digit III. is usually joined by a vinculum(absent in Opisthoeomus, Asio otus, BhytidicerospUcatus)to tendon of flexor perforatus et perforans medii, and isinserted on to base of second phalanx of digit III. The thirdtendon has four slips of insertion, on to four proximalphalanges of digit IV. The descriptions of the insertion ofthese tendons applies to Giconia nigra. There are varia-tions. h2 100 STRUCTURE AND CLASSIFICATION OF BIRDS Flexor Profundus.—Arises from nearly whole hindersurface of tibia and fibula, and sometimes also by a headfrom the outer condyle of femur. Flexor Hallucis.—Arises by a single head, or by twoheads, from the outer.; condyle of femur and from inter-condylar region. The tendons of the two last-described muscles are con-.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898
