Elements of the comparative anatomy Elements of the comparative anatomy of vertebrates elementsofcompar00wied Year: 1886 114 COMPARATIVE ANATOMY. as to the segmentation of the axial skeleton, forms a character- istic feature in Vertebrates, and distinct indications of it may be traced in all representatives of the group up to Man. FIG. 97.—LATERAL MUSCLES-OF Ainphioxus. D, dorsal, and 7', ventral portions ; M, J/, the individual myotonies ; QB, transverse muscles of abdominal region ; C, cirrhi; F, F1, tail-fin. Mo JLM T Da / Me* V

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