. The beginnings of life: being some account of the nature, modes of origin and transformation of lower organisms. Life -- Origin. THE BEGINNINGS OF LIFE. 403 4. The supervention of less favourable conditions during the progress of the last-mentioned change will. Fig. 79. Lower Transformations of the substance of Nitella. ( X 600.) a, a'. Amceboid masses of different sizes, densely packed with bright- green chlorophyll corpuscles. h. A similar mass after decolourization—constituting an ' em- bryonal sphere.' c. An embryonal sphere segmenting into Monads (c'), but leaving a dark-coloured refuse


. The beginnings of life: being some account of the nature, modes of origin and transformation of lower organisms. Life -- Origin. THE BEGINNINGS OF LIFE. 403 4. The supervention of less favourable conditions during the progress of the last-mentioned change will. Fig. 79. Lower Transformations of the substance of Nitella. ( X 600.) a, a'. Amceboid masses of different sizes, densely packed with bright- green chlorophyll corpuscles. h. A similar mass after decolourization—constituting an ' em- bryonal sphere.' c. An embryonal sphere segmenting into Monads (c'), but leaving a dark-coloured refuse-heap. d, e,f. Three interchangeable developments of smaller embryonal spheres: d, a sporangium giving birth to an arborescent outgrowth; e, a sporangium which subsequently segments into Monads ; /, a large kind of Pythium which subsequently develops its usual blind tube (/'). g, g', g". Three forms of Sporangia which are occasionally formed from the central portions of embryonal spheres. put a stop to it, and cause change No. i to proceed. In this case, whilst the peripheral portions of the embryonal sphere are metamorphosed into Monads, the D d 2. 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 Bastian, H. Charlton. London, Macmillan and co.


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Keywords: ., bookcentury1800, bookdecade1870, bookpublisherlondo, bookyear1872