. Concerning evolution. Evolution. FIGURE NO. 15 EVOLUTION IN PALUDINA [After Neumayr] Here is shown a fossilized series of freshwater snails belonging to the genus Paludina. The oldest form (I), Paludina neumayri, is very different from the youngest in this series (X), Paludina hoernesi. But the inter- mediate forms (II-IX) link them indissolubly by a gradual series of transitions. The idea of evolution leaps to the eye when we look at a series like this. 96. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration
. Concerning evolution. Evolution. FIGURE NO. 15 EVOLUTION IN PALUDINA [After Neumayr] Here is shown a fossilized series of freshwater snails belonging to the genus Paludina. The oldest form (I), Paludina neumayri, is very different from the youngest in this series (X), Paludina hoernesi. But the inter- mediate forms (II-IX) link them indissolubly by a gradual series of transitions. The idea of evolution leaps to the eye when we look at a series like this. 96. 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 Thomson, J. Arthur (John Arthur), 1861-1933; Dwight Harrington Terry Foundation. New Haven, Yale University Press; [etc. , etc. ]
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Keywords: ., bookauthorthomsonjarthurjohnart, bookcentury1900, bookdecade1920
