Natural Theology, Or, Evidences of the Existence and Attributes of the Deity |
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Pagina 17
Parton. t Some eminent anatomists have doubted the muscularity of the iris, and
have given very different explanations of its motions, attributing the contraction
and dilatation either to the varied impulse of the blood i, its vessels, or to its own ...
Parton. t Some eminent anatomists have doubted the muscularity of the iris, and
have given very different explanations of its motions, attributing the contraction
and dilatation either to the varied impulse of the blood i, its vessels, or to its own ...
Pagina 18
be so thrown as to pass through the aperture, and fall upon the retina without
touching the iris at all, still a contraction of the iris immediately takes place. So
that light upon the iris alone occasions no contraction, although it is the part
which ...
be so thrown as to pass through the aperture, and fall upon the retina without
touching the iris at all, still a contraction of the iris immediately takes place. So
that light upon the iris alone occasions no contraction, although it is the part
which ...
Pagina 21
The iris also in the eyes of fish does not admit of contraction. This is a great
difference, of which the probable reason is, that the diminished light in water is
never too strong for the retina. In the eel, [Plate III. fig. 5.] which has to work its
head ...
The iris also in the eyes of fish does not admit of contraction. This is a great
difference, of which the probable reason is, that the diminished light in water is
never too strong for the retina. In the eel, [Plate III. fig. 5.] which has to work its
head ...
Pagina 24
When the muscular contraction (which is a positive, and, most probably, a
voluntary effort,) ceases to be exerted, the elasticity alone of the membrane
brings it back again to its position.* Does not this, if anything can do 24
APPLICAtion of the ...
When the muscular contraction (which is a positive, and, most probably, a
voluntary effort,) ceases to be exerted, the elasticity alone of the membrane
brings it back again to its position.* Does not this, if anything can do 24
APPLICAtion of the ...
Pagina 25
But the contraction, necessary to draw the membrane over the whole eye,
required a longer muscle than could lie straight at the bottom of the eye.
Therefore, in order to have a greater length in a less compass, the cord of the
main muscle ...
But the contraction, necessary to draw the membrane over the whole eye,
required a longer muscle than could lie straight at the bottom of the eye.
Therefore, in order to have a greater length in a less compass, the cord of the
main muscle ...
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Veelvoorkomende woorden en zinsdelen
action adapted animal answer appears applied birds blood body bones called carried cause cavity CHAPTER common concerning consequence considerable consists constitution contraction contrivance course covered direction distinct earth effect eggs evident example existence fish fixed flowers fluid force give given hand head human insects instance intelligence joint kind least less light living manner means mechanism membrane mind motion mouth muscles nature necessary never object observed operation organ original particular pass perhaps plants PLATE position present principle probably produced properties question reason receive relation requires respect rest round seed sense side species stomach strong structure substance sufficient supply suppose surface teeth tendons thing tion turn variety watch whole wings
Bibliografische gegevens
| Titel | Natural Theology, Or, Evidences of the Existence and Attributes of the Deity |
| Auteur | William Paley |
| geïllustreerd door | James Paxton |
| Uitgever | Gould and Lincoln, 1855 |
| Oorspronkelijk uit | de University of Wisconsin - Madison |
| Gedigitaliseerd | 24 jan 2017 |
| Lengte | 420 pagina's |
| Citatie exporteren | BiBTeX EndNote RefMan |