. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates -- Anatomy. FIG. 76.—Side view of skull of mackerel (Scomber} after Allis. For letters see fig. 68. The chondrostei, the most shark-like of the GANOIDS, have no cranial cartilage bones. They are also primitive in the great development of the rostral cartilage (enormous in Polyodon), which gives the mouth its ventral position, and in the. FIG. 77.—Chondrocranium of Polypterus, after Budgett. a, afferent artery to external gills; ft1-4, branchials; e, efferent artery from external gills; Ib, labial cartilage; 2, 5, 7, nerve
. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates -- Anatomy. FIG. 76.—Side view of skull of mackerel (Scomber} after Allis. For letters see fig. 68. The chondrostei, the most shark-like of the GANOIDS, have no cranial cartilage bones. They are also primitive in the great development of the rostral cartilage (enormous in Polyodon), which gives the mouth its ventral position, and in the. FIG. 77.—Chondrocranium of Polypterus, after Budgett. a, afferent artery to external gills; ft1-4, branchials; e, efferent artery from external gills; Ib, labial cartilage; 2, 5, 7, nerve exits; other letters as in fig. 69. extension of the cranial cavity into the ethmoid region. They have a few bones in the visceral skeleton, while there are numerous membrane bones in the roof of the skull, a few of them readily homologized with those of other 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 Kingsley, J. S. (John Sterling), 1854-1929. Philadelphia, P. Blakiston's son & co.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1912
