. Distribution and origin of life in America. Zoology -- America; Zoogeography. FIG. 16.—Map of North and South America, indicating roughly the supposed conditions of land and water about the middle of the Tertiary Era. The ancient land is slightly tinted. [To f!«•. 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 Scharff, R. F. (Robert Francis), 1858-1934. New York : Macmillan


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoogeog, bookyear1912