. Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage. Zoogeography -- Geographical distribution; Animal ecology. Bi â # ⢠V*' â ⢠tT #flfc IV^-r-^^\7S â >;v:r;V;; Ci nr§; ___ v- *.'vc -'⢠â ! ^^s. j?IG. 84.âDistribution of brook planarians shown on a schematic longitudinal section of a mountain stream. In A, under primitive conditions, Planaria alpina, (I), Polycelis cornuta, (III), and Planaria gonocephala, (V), succeed each other with areas of intermixture (II and IV), between the adjacent species. This original arran
. Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage. Zoogeography -- Geographical distribution; Animal ecology. Bi â # ⢠V*' â ⢠tT #flfc IV^-r-^^\7S â >;v:r;V;; Ci nr§; ___ v- *.'vc -'⢠â ! ^^s. j?IG. 84.âDistribution of brook planarians shown on a schematic longitudinal section of a mountain stream. In A, under primitive conditions, Planaria alpina, (I), Polycelis cornuta, (III), and Planaria gonocephala, (V), succeed each other with areas of intermixture (II and IV), between the adjacent species. This original arrangement is altered when the conditions are changed; in B, Polycelis is eliminated by the two Planaria; in C, Planaria alpina is replaced by Polycelis. After 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 Hesse, Richard, 1868-1944; Allee, W. C. (Warder Clyde), 1885-1955; Schmidt, Karl Patterson, 1890-1957. New York : J. Wiley & Sons, Inc. ; London : Chapman & Hall, Limited
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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectanimalecology