Animal and Vegetable Physiology Considered with Reference to Natural Theology: The mechanical functions |
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Page 8
... elasticity , or of whatever other mechanical powers of attraction or repulsion there may be , which actuate , at insensible dis- tances , the particles of matter . We see liquids , in obedience to these forces , collecting in spheroi ...
... elasticity , or of whatever other mechanical powers of attraction or repulsion there may be , which actuate , at insensible dis- tances , the particles of matter . We see liquids , in obedience to these forces , collecting in spheroi ...
Page 19
... elastic force , so in the animal body , at an advanced age , the slightest additional impediment that occurs will stop the movements of the whole system : and , when once stopped , their renewal is impossible . Nature has thus assigned ...
... elastic force , so in the animal body , at an advanced age , the slightest additional impediment that occurs will stop the movements of the whole system : and , when once stopped , their renewal is impossible . Nature has thus assigned ...
Page 68
... elastic threads , generally disposed in a spiral course , and adhering to the inner surfaces of the membranous coats of the cells , which they keep in an expanded state . ( See Fig . 9. ) When the membranes are torn , the fibres , being ...
... elastic threads , generally disposed in a spiral course , and adhering to the inner surfaces of the membranous coats of the cells , which they keep in an expanded state . ( See Fig . 9. ) When the membranes are torn , the fibres , being ...
Page 75
... elastic than those of ordinary vessels , but do not appear to contain any in- ternal fibres , although they receive , in the pro- gress of their developement , large additions of solid matter . These fibres are generally col- lected ...
... elastic than those of ordinary vessels , but do not appear to contain any in- ternal fibres , although they receive , in the pro- gress of their developement , large additions of solid matter . These fibres are generally col- lected ...
Page 81
... elasticity , to return to their natural positions , and by these alternate inflexions on opposite sides , to promote the motion of the sap in the vessels and cellular- texture of the liber dand ན Galileo , the most profound philosopher ...
... elasticity , to return to their natural positions , and by these alternate inflexions on opposite sides , to promote the motion of the sap in the vessels and cellular- texture of the liber dand ན Galileo , the most profound philosopher ...
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action animal animalcules Annelida appear arrangement articulated attached axis belonging bivalve body bones calcareous cartilage cavity cells cellular centre Cetacea cilia composed consists construction Crustacea Cuvier deposited developement direction effect elastic employed exhibit existence expanded extended external extremities feet fins fishes fluid Flustra foot force functions gemmules growth insects integuments internal joints kind larvæ layer legs length ligament limbs longitudinal magnified mantle materials matter mechanical membrane ment mesothorax microscope mode Mollusca movements moving muscles muscular fibres nature objects oblique observed organs original osseous ossification plants plates polypes porcellaneous portion progressive motion purpose quadrupeds ribs scales seen segments shape shell side situation skeleton solid species spinal spine spinous spinous processes sternum stomata structure substance suckers surface tail tentacula termed texture tion transverse transverse processes tribes trunk tube valves vegetable vertebræ vessels Vorticella whole wings Zoophytes