Imatges de pàgina
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CHAP.

VI. Of the difference between man and quad

VII. The conclufion.

A furvey of Birds.

I. Of the motion of birds, and the parts

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miniftering thereto.

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II. Of the head, ftomach, and other parts

of birds.

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III. Of the migration of birds.

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BOOK

CHAP.

IV. Of the incubation of birds.

V. The conclufion.

Of Infects and Reptiles.

I. Of infects in general.

II. Of the shape and structure of infects.

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VIII.

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ibid.

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CHAP.

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Of the Ptolemaic fyftem.

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Of the Copernican system, and by whom cultivated.

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Why preferred by the author.

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Objections against it from scripture.

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Anfwerea.

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Of the fun's recefs.

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Objections from fenfe answered.

Objections from philofophy answered.

Of the new fyftem.

Why most favoured by the author.

Fixt flars are funs.

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203

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The author's opinion about the whiteness of the galaxy. 205

The author fufpects there are more new stars than ever

yet have been taken notice of.

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His obfervations of them, and how to be observed

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Survey of the Heavens.

Introduction.

Opinion of all nations about a Deity.
The divifion of the work.

CHAP.

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The magnitude of the Universe.
I. The ancient and modern reckonings.
II. The magnitude of the heavenly bodies.
Of the earth.

CHAP.

CHAP.

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ibid.

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ibid.

Their extent according to Ptolemy, and

the moderns.

Diftances and fizes of the fixt fiars. 230

IV. Practical reflections

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I. The due as well as great distance of the

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