A primer of psychology and mental disease : for use in training-schools for attendants and nurses and in medical classes / by C. B. Burr, M.D.
- Burr, Colonel Bell.
- Date:
- 1898
Licence: Public Domain Mark
Credit: A primer of psychology and mental disease : for use in training-schools for attendants and nurses and in medical classes / by C. B. Burr, M.D. Source: Wellcome Collection.
Provider: This material has been provided by University of Bristol Library. The original may be consulted at University of Bristol Library.
18/138 page 2
![That which distinguishes the living from the not living is the possession of the three qualities or at- tributes: Motion, Nuirition, and Reproduction,—as above mentioned. The locomotive moves from the force exerted by exjpansion of water. Inorganic substances change their positions from force exerted upon them (as the rolling of a stone from an earthquake upheaval). Heat and electricity are so-called modes of motion. The acid and the alkali, coming together in solution, make disturbance in the glass (motion from chemical action). All these are illustrations of motion, but not motion from inherent power. Stones enlarge by additions to their surfaces (ac- cretion), but cannot appropriate substances with which to grow. Two or more stones may be produced from one by a ]Drocess of breaking or disintegration. They have no ability, however, to reproduce their kind. Certain plants, on the contrary, demonstrably have motion from inherent power: as witness the sensitive plant, which closes when its leaves are touched; the morning-glory, which opens and closes its petals; the ivy, which climbs the conductor-pipe or the tree; the insect-eating plant, which closes about and absorbs the prey which alights upon it. Plants have also ability to appropriate nourishing material. This is absorbed from the soil, or from the atmosphere, or, as in the case of the insect-eating plant, as above shown.](https://iiif.wellcomecollection.org/image/b21444973_0018.jp2/full/800%2C/0/default.jpg)
