. The myology of the raven (Corvus corax sinuatus.) A guide to the study of the muscular system in birds . rom this point a delicate tendon passes obliquely downthe carpo-metacarpus to become inserted at the baseof the proximal phalanx of the index digit, on its ulnarside, in front. 1 This muscle has been defined as the m. ulni-metacarpalis dorsalisby Gadow, who records the following synonymy for it (loc. cit., , 274) :- 87. M. ULNI-METACABPALIS DOESALIS. Le court flechisseur de Vos metacarpe,. Vicq dAzyr, p. 577, No. metacarpi brevis. Tiedemann, § 273. ,, ,, ,, Watson, p. 96. ,
. The myology of the raven (Corvus corax sinuatus.) A guide to the study of the muscular system in birds . rom this point a delicate tendon passes obliquely downthe carpo-metacarpus to become inserted at the baseof the proximal phalanx of the index digit, on its ulnarside, in front. 1 This muscle has been defined as the m. ulni-metacarpalis dorsalisby Gadow, who records the following synonymy for it (loc. cit., , 274) :- 87. M. ULNI-METACABPALIS DOESALIS. Le court flechisseur de Vos metacarpe,. Vicq dAzyr, p. 577, No. metacarpi brevis. Tiedemann, § 273. ,, ,, ,, Watson, p. 96. ,, ,, ,, Heusinger, p, 190, No. 27. Unterer Theil des ausseren Ellenbogenmuskels. Meckel, p. 335, No. Beuger der Mittelhand. Schopss, p. 156, No. 36. „ „ „ „ Prechtl, § 56. Flexor carpi radialis. Selenka, p. 134, No. Jleckisseur de la main. court adducteur de la main. Gervais et Alix, p. flechisseur du metacarpe. Alix, pi. II. fig. 2, No. ou court cubital posterieur, ou court adducteur de la , p. 140. 152 THE MYOLOGY OF THE FIG. 42.—Anterior aspect of the hones of the left hand of a Raven, with the pollex digit removed ; designed to show the origin and insertion of some of the muscles or their 43.—Ulnar aspect of the same bones ; the axis of the extensorproprius pollicis muscle is shown, and its origin indicated upon a piece of the extensor metacarpi radialis lonyior, given 44.—Posterior aspect of the same bones. The several segments in all the figures are slightly dislodged in order to show them to better advantage. Specimens all life-size, and drawn by the author. The action of this muscle is to flex the hand upon theforearm, and at the same time rotate it slightly to theinner side. THE MUSCLES OF THE UPPER EXTREMITY. 153 91. The interdsseous dorsalis is the outermost andhigher of the two delicate muscles that fill the long vacuityexisting between the index and medius
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