Animal and Vegetable Physiology Considered with Reference to Natural TheologyW. Pickering, 1834 - Biology |
From inside the book
Results 1-5 of 42
Page 56
... usual destination , or to qua- lify it for performing some new office , rendered necessary by the particular circumstances in which the animal is placed . Thus the ribs , which in quadrupeds are usually employed for respiration , are in ...
... usual destination , or to qua- lify it for performing some new office , rendered necessary by the particular circumstances in which the animal is placed . Thus the ribs , which in quadrupeds are usually employed for respiration , are in ...
Page 79
... usual office undoubtedly is to exhale water ; but they probably also absorb air under certain circumstances , and in particular exi- gences . The principal organs through which the fluids that serve for nourishment are received into the ...
... usual office undoubtedly is to exhale water ; but they probably also absorb air under certain circumstances , and in particular exi- gences . The principal organs through which the fluids that serve for nourishment are received into the ...
Page 110
... usual animal consti- tuents . But substances of still greater hard- ness , united with perfect rigidity , are wanted , in numberless instances , for giving effectual protection to soft and delicate structures , for supplying a firm ...
... usual animal consti- tuents . But substances of still greater hard- ness , united with perfect rigidity , are wanted , in numberless instances , for giving effectual protection to soft and delicate structures , for supplying a firm ...
Page 123
... usual temperature : and the consistence of the compound will , therefore , depend altogether on the proportions in which they are united . Thus a ready expedient has been provided for varying the mechanical properties of fat , according ...
... usual temperature : and the consistence of the compound will , therefore , depend altogether on the proportions in which they are united . Thus a ready expedient has been provided for varying the mechanical properties of fat , according ...
Page 134
... usual plan adopted for trans- ferring the effect of the moving power to a distant point is the employment of a rope , or strap . Such is precisely the office of the ten- dons , which are long straps , attached at one end to the muscle ...
... usual plan adopted for trans- ferring the effect of the moving power to a distant point is the employment of a rope , or strap . Such is precisely the office of the ten- dons , which are long straps , attached at one end to the muscle ...
Other editions - View all
Common terms and phrases
action animal animalcules Annelida appear arrangement articulated attached axis belonging bivalve body bones calcareous cartilage cavity cells cellular Cetacea cilia composed constitute construction Crustacea Cuvier deposited developement direction effect elastic employed exhibit existence expanded extended external extremity feet fins fishes fluid Flustra foot force functions furnished gemmules growth insects integuments internal joints kind larva 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 observed organs original osseous ossification plants plates polypes porcellaneous portion progressive motion purpose quadrupeds ribs scales seen segments shape shell side skeleton solid species spinal spine spinous processes sponge 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
Popular passages
Page xvi - ON THE POWER WISDOM AND GOODNESS OF GOD AS MANIFESTED IN THE ADAPTATION OF EXTERNAL, NATURE TO THE MORAL AND INTELLECTUAL CONSTITUTION OF MAN.
Page 126 - I beheld, for the first time, the splendid spectacle of this living fountain vomiting forth from a circular cavity an impetuous torrent of liquid matter, and hurling along, in rapid succession, opaque masses, which it strewed everywhere around. The beauty and novelty of such a scene in the animal kingdom long arrested my attention...
Page xv - Pounds sterling ; this sum, with the accruing dividends thereon, to be held at the disposal of the President, for the time being, of the Royal Society of London, to be paid to the person or persons nominated by him. The Testator...
Page 197 - ... and securing itself from dangerous collisions, which might easily destroy the brittle texture of its shell. The object of this apparatus is to prepare a great number of threads, which are fastened at various points to the adjacent rocks, and then tightly drawn by the animal, just as a ship is moored in a convenient station, to avoid the buffeting of the storm. The foot of this bivalve is cylindrical, and has, connected with its base, a round tendon, of nearly the same length as itself, the office...
Page 126 - ... around. The beauty and novelty of such a scene in the animal kingdom, long arrested my attention, but, after twenty-five minutes of constant observation^ I was obliged to withdraw my eye from fatigue, without having seen the torrent for one instant change its direction, or diminish, in the slightest degree, the rapidity of its course. I continued to watch the same orifice, at short intervals, for five hours, sometimes observing it for a quarter of an hour at a time, but still the stream rolled...
Page 21 - See dying vegetables life sustain, See life dissolving vegetate again : All forms that perish other forms supply, (By turns we catch the vital breath, and die) Like bubbles on the sea of matter borne They rise, they break, and to that sea return.
Page xvii - MDFRS CHEMISTRY, METEOROLOGY, AND THE FUNCTION OF DIGESTION, CONSIDERED WITH REFERENCE TO NATURAL THEOLOGY. His ROYAL HIGHNESS THE DUKE OF SUSSEX, President of the Royal Society, having desired that no unnecessary delay should take place in the publication of the above mentioned treatises, they will appear at short intervals, as they are ready for publication.
Page xv - NOTICE. THE series of Treatises, of which the present is one, is published under the following circumstances : The RIGHT HONOURABLE and REVEREND FRANCIS HENRY, EARL of BRIDGEWATER, died in the month of February, 1829 ; and by his last Will and Testament, bearing date the 25th of February, 1825, he directed certain Trustees therein named to invest in the public funds the sum of Eight thousand pounds sterling; this sum, with the accruing dividends thereon, to be held...
Page 353 - ... animals than to those which had already attained their full size. Thus the bones of a young pigeon were tinged of a rose colour in twenty-four hours, and of a deep scarlet in three days ; while in the adult bird, fifteen days were required merely to produce the rose colour. The dye was more intense in the solid parts of those bones which were nearest to the centre of circulation, while in bones of equal solidity, but more remote from the heart, the tinge was fainter. The bone was of a deeper...
Page 63 - ... of a new bud : and at the same time a layer of cellular tissue is formed by the deposition of new materials on the outside of the former wood, and between it and the bark. This is followed by a second layer of wood, enveloping the new layer of cellular tissue. The effect of this new growth is to compress the layer of wood which had been formed during the first year, and to impede its further extension in breadth.