. The myology of the raven (Corvus corax sinuatus.) A guide to the study of the muscular system in birds . 1)ack of the leg, but,passing beneath these, it immediately moulds itselfupon the anterior half, though there is no blending offibres whatever, it being situate completely behind two then pass directly down the front of the legas a large and handsome fusiform muscle. At the lowerthird of the bone their fibres converge to a point, tobecome attached to a strong and powerful tendoncommon to the two divisions; this, passing through theoblique, fil)ro-cartilaginous bridge just above the


. The myology of the raven (Corvus corax sinuatus.) A guide to the study of the muscular system in birds . 1)ack of the leg, but,passing beneath these, it immediately moulds itselfupon the anterior half, though there is no blending offibres whatever, it being situate completely behind two then pass directly down the front of the legas a large and handsome fusiform muscle. At the lowerthird of the bone their fibres converge to a point, tobecome attached to a strong and powerful tendoncommon to the two divisions; this, passing through theoblique, fil)ro-cartilaginous bridge just above the tibialcondyles, goes directly, in the antero-median line, toa point on the shaft of the tarso-metatarsus just belowthe head of that bone, where it is finally inserted upona tul^ercle, there found, and which is intended for it. Both the j^c^onetis longus and the tibialis anticus arewell developed in such a bird as Geococcyx calif or nianus,and have essentially the same origins and insertions as Vorderer Schienbeinmuskel. Meckel, System, 370, No. 1 ; Archiv, p. 272, No. 2)edis. dAlton, p. Fig. G2 his.—Outer aspect of the riglit pelvic limb of the Eoad Painnei(Geococcyx calif or nianus), showing the superficial layer of muscles, andthe relations of the peroncus longus and the tibialis anticus are especiallyto he observed. Life-size, by the author, from his own dissections. 214 THE MYOLOGY OF THE EAVEN. we have described for them above, as they exist in theRaven. We have good views of them in Fig. 62 bis ofthe present work. Several years ago I devoted no littleattention to the myology of Geococcyx, and publishedmy observations thereon in a number of places. Thebird, as is well known, occurs on the Pacific coast regionof the United States, and presents much of interest inits anatomy. It is a big Ground Cuckoo with affinitiesin other directions. To become impressed w-ith the gTcat numljcr ofchanges to which this muscle is subject, we can do nobetter than to read Pro


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmuscles, bookyear1890