. Animals before man in North America; their lives and times. Paleontology. Anhnah Before Man them has endured to modern times, the most common representative being the Port Jackson shark, Cestracion jpliilippi^ a small and inoffen- sive species found in Australian waters. In other ancient sharks teeth w^ere repre- sented by a single, more or less spirally twisted and ridged plate, and as this suggests a snail- >^ 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 ma


. Animals before man in North America; their lives and times. Paleontology. Anhnah Before Man them has endured to modern times, the most common representative being the Port Jackson shark, Cestracion jpliilippi^ a small and inoffen- sive species found in Australian waters. In other ancient sharks teeth w^ere repre- sented by a single, more or less spirally twisted and ridged plate, and as this suggests a snail- >^ 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 Lucas, Frederic A. (Frederic Augustus), 1852-1929. New York, D. Appleton and company


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectpaleont, bookyear1902