. The emigrations of animals from the sea. Animal ecology; Animal migration. COENOBITA CLYPEATUS I4GILLS CLIBANARIUS TRICOLOR 18 GILLS CALCINUS TIBICEN 26 GILLS PETROCHIRUS BAHAMENSIS 26 GILLS Fig. 16. Oped in connection with migrations from fresh water to land, but among crustaceans there are many examples of such modifications associated with migrations across ocean beaches, directly from sea to land. Littoral hermit crabs (Paguridea), arranged in order from deep-water to terrestrial types, show a progressive reduction in the number of gills (Fig. 16). Littoral crabs (Brachyura) in a similar
. The emigrations of animals from the sea. Animal ecology; Animal migration. COENOBITA CLYPEATUS I4GILLS CLIBANARIUS TRICOLOR 18 GILLS CALCINUS TIBICEN 26 GILLS PETROCHIRUS BAHAMENSIS 26 GILLS Fig. 16. Oped in connection with migrations from fresh water to land, but among crustaceans there are many examples of such modifications associated with migrations across ocean beaches, directly from sea to land. Littoral hermit crabs (Paguridea), arranged in order from deep-water to terrestrial types, show a progressive reduction in the number of gills (Fig. 16). Littoral crabs (Brachyura) in a similar fashion show a progressive reduction in gill volume in relation to. 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 Pearse, A. S. (Arthur Sperry), 1877-1956. Dryden, N. Y. , Sherwood Press
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