. Animal biology. Zoology; Biology. FiG. 232.—A crossopterygian, Polyptenis senegalus Cuvier a, the adult. X J^. 6, the larva. X 2%. {a from Bridge, ''Cambridge Natural History,'" b after Budgett, by the courtesy of The Macmillan Company.) The latter figure does not show the fact that the gills are alternately long and short. The arrow and line in Fig. a point to the position of the left spiracle. tilaginous, but the cartilage is overlaid with dermal bones. The sturgeons (Fig. 233) are examples of this Please note that these images are extracted from scanned page images that may h
. Animal biology. Zoology; Biology. FiG. 232.—A crossopterygian, Polyptenis senegalus Cuvier a, the adult. X J^. 6, the larva. X 2%. {a from Bridge, ''Cambridge Natural History,'" b after Budgett, by the courtesy of The Macmillan Company.) The latter figure does not show the fact that the gills are alternately long and short. The arrow and line in Fig. a point to the position of the left spiracle. tilaginous, but the cartilage is overlaid with dermal bones. The sturgeons (Fig. 233) are examples of this 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 Wolcott, Robert Henry, 1868-1934. New York ; London : McGraw-Hill Book Company, Inc.
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Keywords: ., bookcentury1900, bookcoll, booksubjectbiology, booksubjectzoology
