. Animal biology. Zoology; Biology. Fig. 246.—Lake sturgeon, Acipenser rMWcMW^MSiLeSueur. X Hs- {From Jordan, "Guide to the Study of Fishes," by the courtesy of D. Appleton & Company.) 372. Holostei.—The Holostei, or bony ganoids, have a completely ossified skeleton. In some the scales form a complete armor. Examples. Fig. 247.—Alligator gar, Lepisosteus tristoechus (Block and Schneider). X J^eO- (From Jordan, "Guide to the Study of Fishes," by the courtesy of D. Appleton & Company.) are the bowfins, and the gars (Fig. 247). The development of the bow- fin betrays p
. Animal biology. Zoology; Biology. Fig. 246.—Lake sturgeon, Acipenser rMWcMW^MSiLeSueur. X Hs- {From Jordan, "Guide to the Study of Fishes," by the courtesy of D. Appleton & Company.) 372. Holostei.—The Holostei, or bony ganoids, have a completely ossified skeleton. In some the scales form a complete armor. Examples. Fig. 247.—Alligator gar, Lepisosteus tristoechus (Block and Schneider). X J^eO- (From Jordan, "Guide to the Study of Fishes," by the courtesy of D. Appleton & Company.) are the bowfins, and the gars (Fig. 247). The development of the bow- fin betrays primitive characteristics. The eggs are nearly holoblastic, and the early development is rather more like that of a lobe-finned. 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; University of Nebraska (Lincoln campus). Dept. of Zoology. New York ; London : McGraw-Hill Book Company, Inc.
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Keywords: ., bookcentury1900, bookcoll, booksubjectbiology, booksubjectzoology