. The myology of the raven (Corvus corax sinuatus.) A guide to the study of the muscular system in birds . n Bronns Klassen des Thier-Reichs (loc. cit., p. 112) gives a description for it :— 8. M. EECTUS CAPITIS POSTICUS. Kleiner Kopfheber. Merrem. Le petit muscle droit posterieur ; petit complexity. Cuvier. Rectus capitis posticus major et minor. Tiodemann, § 205-206. „ „ „ „ „ „ dAlton, p. Namen. Meckel, /System, p. capitis postici. Selenka, p. 99, No. et petit droit posterieur. Gervais et Alix, p. capitis posticus minor. Watson, p. capitis. Wa
. The myology of the raven (Corvus corax sinuatus.) A guide to the study of the muscular system in birds . n Bronns Klassen des Thier-Reichs (loc. cit., p. 112) gives a description for it :— 8. M. EECTUS CAPITIS POSTICUS. Kleiner Kopfheber. Merrem. Le petit muscle droit posterieur ; petit complexity. Cuvier. Rectus capitis posticus major et minor. Tiodemann, § 205-206. „ „ „ „ „ „ dAlton, p. Namen. Meckel, /System, p. capitis postici. Selenka, p. 99, No. et petit droit posterieur. Gervais et Alix, p. capitis posticus minor. Watson, p. capitis. Watson, p. 63. Note.—The muscle is by no means a small one in the Raven,that is if I am correct in comparing my rect. cap. post, major withthe above one of Grulow and other authors. A comparison of thesynonyms of the recti muscles throughout the class Axes issufficient to convince anyone of the fact that they still stand inneed of careful diagnosis; and further comparative research inrepresentatives of divers groups of birds is a thing much to bedesired, in so far as their myology 270 THE MYOLOGY OF THE RAVEN. side, a powerfully developed muscle, arising, some-what tendinous, in the median line, upon the anterioraspect of the second cervical vertebra, all the wayfrom the summit of its neural spine to the mid-point of the supero-anterior border of its neural strong bundle of carneous fibres forming themuscle diverge as they proceed to the occiput from thislinear origin, and are inserted upon a crescentic areaat the back of the skull. This insertion is within theoccipital line, being convex outwards, and situated welltowards the mastoidal aspect of the cranium (Fig. 4).Evidently the united action of these muscles will tend •> to extend the head upon the neck, and either of themacting independently will tend to pull the head towardsthat side to which the contracting muscle belongs. 127. Tlie biventer cervicis 1 of Wiedemann is an ex-ceedingly i
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