The principles of biology . 160 MORPHOLOGICAL DEVELOPMENT. higher Algce, exemplified in Figs. 32, 34, 35, show this very clearly. Here the departure fromthe simple cell-form to the form ofan elongated prism, is manifestlysubordinated to the contrasts in therelations of the parts. And it isiateresting to observe how, in oneof the branches of Fig. 32, we passfrom the small, almost-sphericalcells which terminate the branch-lets, to the large, much-modifiedcells which joia the main stem, through gradations obviously related in their changed forms to the altered actions their positions expose them
The principles of biology . 160 MORPHOLOGICAL DEVELOPMENT. higher Algce, exemplified in Figs. 32, 34, 35, show this very clearly. Here the departure fromthe simple cell-form to the form ofan elongated prism, is manifestlysubordinated to the contrasts in therelations of the parts. And it isiateresting to observe how, in oneof the branches of Fig. 32, we passfrom the small, almost-sphericalcells which terminate the branch-lets, to the large, much-modifiedcells which joia the main stem, through gradations obviously related in their changed forms to the altered actions their positions expose them simply, but quite as conclusively, do the inferior AlgcB, of which Figs. 19—23 are examples, show ns how.
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectbiology, bookyear1864
