. La myologie du corbeau (Corvus corax sinuatus.) Un guide pour l'étude du système musculaire chez les oiseaux . tous les muscles se produisent dans cette région ; il a été décrit comme le glissement bicipital vers le tliepcdagium (Figs. 35 hisand 35 ter, B. slip). Il s'agit d'un fascicule charnel de musclequi est difiJerentiated de la surface antérieure des biceps, et le passage entre les fodscutanés du patagium devient inséré dans le tendon du tensor patagii longus à peu près au milieu du recours. Garrod affirme que la présence ou l'absence de fasciculus thismusclaire est un amongclo de caractère très constant

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. The myology of the raven (Corvus corax sinuatus.) A guide to the study of the muscular system in birds . all muscle occurs in this region ; it has been de-scribed as the bicipital slip to tliepcdagium (Figs. 35 hisand 35 ter, B. slip). This is a fleshy fasciculus of musclethat is difiJerentiated off from the anterior surface ofthe biceps, and passing between the cutaneous foldsof the patagium becomes inserted into the tendon ofthe tensor patagii longus at about the middle of itscourse. Garrod states that the presence or absence of thismuscular fasciculus is a very constant character amongclosely allied birds. He not only found it in tlie Capri-mulgi, but also in Plovers, Cranes, Gulls, Auks, andsome few other groups. It is absent in the Corvidce. InFig. 35 ter, I present its appearance as it occurs in ourMourning Dove, a bird I especially dissected to show itas an illustration in the present connection. 110 THE MYOLOGY OF THE RAVEN. Professor T. Jeffcry Parker describes this muscle forthe Common Pigeon {Zootomy, j)- 251) as the tensorpatagii acccssorius, and snys, Its anterior Ijorder is. ^^. 35 tcr. Fig. 35 5?s.—Axillary muscles of the side of Gallimi.la chJoropus. By the author, after Garrod. £xp. Sec, cxpaiisor secundariorum ; Pcct. 1., greatpectoral muscle ; JJ. slip, hiceps slip ; Bi, biceps ; T, triceps; andother letters as in former figures. Fig. 35 tcr.—Outer asjiect of the axillary muscles of the right arm in a specimenof tlie Mourning Dove {Zenaidura macroura). From the specimen, hythe author, and after his own dissections. Letters as before. connected by fascia with the tendon of the tensor longiis, and from its posterior border a long stout tendon isgiven off which passes outwards, soon becoming parallel THE MUSCLES OF THE ITPPER EXTREMITY. Ill to the tendon of the tensor longus, and having a com-mon insertion with it. If this last tendon be present in our wild pigeons, itis very feebly developed and consequently easily over-looked, I did not detect

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• bookcentury1800
• bookdecade1890
• booksubjectmuscles
• bookyear1890