. The elasmobranch fishes. Chondrichthyes. 82 THE ELASMOBRANCH FISHES fig. 85a.) a still more complex type (fig. 86a) has one or two dorsal terminals ('^'^) and a ventral terminal (), and along the furrow leading to the terminal groove there is an accessor}^ terminal {tr.^), and a dorsal marginal {mg. and ) {Heterodontus, Mustelus, Scyllium, CarcJiarias, Raja). PELVIC GIEDLE The pelvic girdle is probably built on a generalized plan in Chlamijdoselachus (fig. 85). Here it is an unusually wide cartilage which is perforated by no fewer than six to eight nerves. In most other types

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. The elasmobranch fishes. Chondrichthyes. 82 THE ELASMOBRANCH FISHES fig. 85a.) a still more complex type (fig. 86a) has one or two dorsal terminals ('^'^) and a ventral terminal (), and along the furrow leading to the terminal groove there is an accessor}^ terminal {tr.^), and a dorsal marginal {mg. and ) {Heterodontus, Mustelus, Scyllium, CarcJiarias, Raja). PELVIC GIEDLE The pelvic girdle is probably built on a generalized plan in Chlamijdoselachus (fig. 85). Here it is an unusually wide cartilage which is perforated by no fewer than six to eight nerves. In most other types the adult girdle is a narrov/ band which points backward in the middle Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Daniel, J. Frank (John Franklin), 1873-1942. Berkeley,Calif. , University of California press

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