. The myology of the raven (Corvus corax sinuatus.) A guide to the study of the muscular system in birds . e neural spine of theaxis vertebra, blends very intimately with the innermargin of the longus colli posticus at its proper inser-tion. This last fasciculus is the shortest and thickestof this series. Professor Garrod gave an excellent figure (,Plate xxvi.) of the very interesting arrangement of thelongus colli posticus in the Plotus anhinga, and afterdescribing its peculiarities as they are found in thatbird, he says, in conclusion, that It is nearly alwaysthe case in avian anatomy
. The myology of the raven (Corvus corax sinuatus.) A guide to the study of the muscular system in birds . e neural spine of theaxis vertebra, blends very intimately with the innermargin of the longus colli posticus at its proper inser-tion. This last fasciculus is the shortest and thickestof this series. Professor Garrod gave an excellent figure (,Plate xxvi.) of the very interesting arrangement of thelongus colli posticus in the Plotus anhinga, and afterdescribing its peculiarities as they are found in thatbird, he says, in conclusion, that It is nearly alwaysthe case in avian anatomy that the inner fibres ofthe cervical portion of the longus colli posticus musclebecome differentiated to form the digastrique du couof Cuvier, better known to us as the biventer cervicis,a muscle one peculiarly interesting modification ofwhich, in the genus Ceryle among the Alcedinidse, hasbeen described and figured by Dr. Cunningham in theSocietys Proceedings (1870, p. 280). This, by the wayI may mention, I have had the opportunity of fully veri-fying, Meckel, in his General Treatise on Comparative T. FIG. 70.—Right lateral view, life-size, of the head and neck of a Raven, dissectedand drawn by the author. Designed to show the superficial muscles ofthe region. Those at the back of the neck are lifted from their posi-tions ; while the bivcnter ccrvicis and complcxus are widely separated inorder to show the muscles lying beneath them. THE MUSCULATURE OF THE TRUNK. 275 Anatomy, tells us that he found it at its minimum of de-velopment in the Grallinae, the Goose, and the a specimen of Sulafusca, as well as in Phalacrocoraxcarbo, it is present, but extremely small, I find. It isentirely absent in Plotus anhinga, the longus colliposterior (cervicalis ascendens, Meckel) entirely ceasingat the lower margin of the axis vertebra, in the tendonabove described. The longus colli posticus in the Apteryx, as describedby Professor Owen, differs in the number of fasciculiof its
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