Bernstein, Aaron, Naturwissenschaftliche Volksbücher, Bd. 17-21, 1897

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          <p>
            <s xml:id="echoid-s3286" xml:space="preserve">
              <pb o="90" file="276" n="276"/>
            u. </s>
            <s xml:id="echoid-s3287" xml:space="preserve">a. </s>
            <s xml:id="echoid-s3288" xml:space="preserve">behufs Aufnahme des gelöſten Kohlendioxyds (der Kohlen-
              <lb/>
            ſäure) in Berührung zu bringen, fein zerteilt, und die einzelnen
              <lb/>
              <figure xlink:label="fig-276-01" xlink:href="fig-276-01a" number="81">
                <caption xml:id="echoid-caption78" xml:space="preserve">Fig. 21.
                  <lb/>
                Wurmfarn (verkleinert).</caption>
                <variables xml:id="echoid-variables22" xml:space="preserve">A</variables>
              </figure>
            Stücke gruppieren ſich mit
              <lb/>
            beſonderer Vorliebe zu
              <lb/>
            Gabeln. </s>
            <s xml:id="echoid-s3289" xml:space="preserve">Sollte dieſe Er-
              <lb/>
            ſcheinung ſich nicht als
              <lb/>
            ein Rückſchlag zu Ver-
              <lb/>
            hältniſſen, wie ſie bei
              <lb/>
            fernen Vorfahren üblich
              <lb/>
            waren, deuten laſſen?
              <lb/>
            </s>
            <s xml:id="echoid-s3290" xml:space="preserve">Aus weiter unten Geſag-
              <lb/>
            tem wird die Berechti-
              <lb/>
            gung dieſes Gedankens
              <lb/>
            hervorleuchten. </s>
            <s xml:id="echoid-s3291" xml:space="preserve">Er ſteht
              <lb/>
            im Einklang mit der
              <lb/>
            Äußerung K. </s>
            <s xml:id="echoid-s3292" xml:space="preserve">
              <emph style="sp">Goebels</emph>
            ,
              <lb/>
            “daß das Leben im Waſſer
              <lb/>
            ganz allgemein eine Hem-
              <lb/>
            mung in der Gewebe-
              <lb/>
            ausbildung, eine Hintan-
              <lb/>
            haltung der höheren Dif-
              <lb/>
            ferenzierung bedingt.</s>
            <s xml:id="echoid-s3293" xml:space="preserve">”</s>
          </p>
          <p>
            <s xml:id="echoid-s3294" xml:space="preserve">Unter den älteſten und
              <lb/>
            älteren Farn-Reſten be-
              <lb/>
            findet ſich eine ganze Au-
              <lb/>
            zahl, die in intereſſanter
              <lb/>
            Weiſe von den heutigen
              <lb/>
            Arten abweicht und mit
              <lb/>
            dieſen verglichen und in
              <lb/>
            eine Reihe geſtellt es ge-
              <lb/>
            ſtatten, bis zu einem gewiſſen Grade Schlußfolgerungen auf
              <lb/>
            die fehlenden Vorgänger zu ziehen.</s>
            <s xml:id="echoid-s3295" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3296" xml:space="preserve">Die Betrachtung dieſer Reihe beginnen wir mit dem </s>
          </p>
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    </echo>
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