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3. The Tops of Mountains in most I/lands and HeadLands reach to the middle Region of the Air.

4. To enumerate the Mountains remarkable for their Height.

5. To enumerate the Burning Mountains.

6. To explain the Differences of Mountains.

7. Some Mountains are open, others close.

8. To enumerate the more famous Promontories.

9. Caves, deep Pits, &c. opposed to Mountains.

CHAP. XI.

Of Mines, Woods, and Desarts. Page 158

1. The Difference of Mines, and the more famous of them enumerated.

2. The Difference of Woods, and the more famous enumerated.

3. The Differences of Desarts and the more famous enumerated.

CHAP. XII.

Of the Division of the Ocean by the Interposition of the Land. Page 165

1. The Ocean surrounds the Earth in a continued Extent.

The Parts if the Ocean are of three kinds, viz. Seas, Bays, and Streights

3. The Ocean divided into four grand Parts, or Oceans,

4. The Parts of the Ocean named.

5. The eminent Bays enumerated, with their Differences.

6. The Enumeration and Differences of Streights.

7. The Sea-Coasts traced over the four garters, and the Communication of the Parts of the

Octan.

CHAP. CHAP. XIII.

Of certain Properties of the Ocean. Page 181

1. The Surface of the Ocean spherical.

2. The Sea not higher than the Land.

3. Why the Sea seems to rife higher when viewed at a Distance from the Shore.

4. To explain the Origin of Bays and Streights.

5. Whether the Ocean be every where of the fame Height.

6. The Depth of the Ocean may be found in many Places but not in all.

7. The Ocean has no proper Springs.

8. The Salt ness of the Ocean from the Particles of Salt dissolved in it.

9. Whether Sea Water be sweeter at the Bottom. 10. The Sea grows falter towards the Equator,

and the Seasons of it's being unequally fait. it. Why the Rain is sweet on the Sea.

12. Different Sea Waters are heavier than each other\ and than common Water.

13. Sea-Water does not freeze Jb soon as RiverWater.

14. Why the Ocean becomes no larger by receiving so many Rivers.

15. Different Parts of the Ocean have different Colours.

16. Certain Peculiarities in certain Parts of the Ocean.

17. Why the Sea appears luminous; or shines, by Nighty especially when the Waves are violent.

18. The Ocean throws up terrestrial and consistent Bodies to the Shore.

CHAP. XIV.

Of the Motions of the Ocean, particular it's Flux and Reflux. Page 23a

i. Water has only one natural Motion.

2. When

2. When a Part of the Ocean moves; the whole is moved.

3. To observe the Point of the Compass wherein the Sea moves.

4. The Motion of the Sea is either direR, vortical, concujsory, or tremulous.

5. Some Motions of the Sea are general, some particular, and the rest contingent.

6. The Wind causes the contingent Motions of the Sea.

7. The general Motions of the Ocean double, viz. continued, and ebbing and flowing.

8. Winds often alter the general Motions of the Ocean.

9. The Cause os the general Motion uncertain.

10. What the Motion of the Flux and Reflux is.

11. The Cause of that Motion.

12. Why at new and full Moon the general Motion of the Sea is more violent; and also the Swell larger.

13. Why on the Days of the Equinoxes the general Motion and Swell of the Sea is greater.

14. A great Flux and Reflux on some Shores, and on others scarce sensible.

15. The Flux of the Sea violent, the Reflux natural.

16. The Flux largest in those Places where the Moon is vertical.

1 j. The Quantity of the Flux not constant.

18. The Time of the beginning and ending of the Flux different in different Places.

19. In most Places the Sea flows to the Shore fix Hours, and ebbs as many; but in some Places it flows longer than it ebbs, and vice versa.

20. Whether the Flood begins when the Moon touches the Horizon.

21. The Hour being given, wherein the Flood is at it's greatest Height in any Place, on the Day of new Moon; to find the Hour of it's greatest Height for the following Days.

2" 22. Tic

22. The Winds prolong and Jhorten the Duration of the Flux and Reflux.

23. A great Diversity in the particular Motion of the Sea.

24. The first particular perpetual Motion.

25. The second

26; The third - ^

27. The fourth

28. The fifth

29. The sixth

,30. The seventh

31. The particular periodical Motions enumerated. 3 .2, Two kinds of Vortices in the Sea.

33. The Cause of the Tremor in the Sea, with Examples.

34. Why the Pacific Ocean is so calm in fair Weather, but easily moved with gentle Winds.

CHAP. XV.

Of Lakes, Moors and Bogs. Page 280

1. Lakes, Moors, and Bogs defined.

2. Four kinds of Lakes.

3. To explain the Origin of those Lakes that neither receive nor fend out Rivers; and to enumerate them.

4. To explain the Origin of those that fend out Rivers, but receive none.

5. To explain the Origin of those that receive Rivers, but fend none out.

6. To explain the Origin of those that both receive and fend out Rivers.

7. Most Lakes contain a fresh but some a fait Water.

8. Whether the Caspian Sea be a Lake or a Bay.

9. Whether the Euxine be a Lake or a Bay. Jo. The Lakes enumerated that have Islands in

the middle.

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H. To make a Lake in a Place assigned; if the thing be ■possible.

12. To dry or drain up a hake.

13. Bogs of two kinds.

14. Bogs contain a sulphureous Earth.

15. To dry a Bog.

CHAP. XVI.

Of Rivers in general. Page 295

1. The Definition of Rivers, Rivulets, and Springs, &c.

2. Torrents and Rivers sometimes produced by violent Rains, and melted Snow.

3. Most Rivulets rife from Springs, and Rivers from a Conflux of Rivulets.

4. Rivers enlarged by Rains and melted Snow at different Times of the Tear.

5. The Causes of Springs, or the Origin ofSpring- Water.

6. Some Rivers dip under Ground, and rife again.

7. Rivers disembogue into the Sea, or Lakes.

8. Few Rivers become stagnant.

9. Whether the Chanels, and Windings of Rivers were made by Nature or human Industry.

ib. Chanels, the nearer to the Spring-Head the higher;

and the nearer to the River's mouth the deeper, l j. Of Cat ar ails.

j 2. Why Rivers are broader in one Part than another,

13. The Chanels of Rivers fink more or less in one Part than another.

14. Why some Rivers are rapid, others gentle; and why the fame River is more rapid in one Place than another.

15. Some few Rivers run a direst Course; but most a winding one, to their Exits.

16. The Lakes thro' which certain Rivers have their Course.

if. Most Rivers the nearer their Mouths, the wider they become.

18. The

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