8. All the Places of the Earth that lie in the fame
Parallel have all the Days of the Year equal, and
confequently the longest Day of the fame Length.

9. Climates and Parallels defined.

10. The unequal Increase of the longest Day in equal

Increases of Distance from the Equator.

11. The Quantity of the longest Day in any Place be-

ing given, to find the Latitude of that Place.

12. A fmall Number of Days being given, to exhibit

thofe Places of the Earth (or find their Latitude)

where the Sun does not rife and fet fo many Days.

13. To make a Table of Climates.

14. The Method of other Geographers in reckoning

and fixing the Table, &c.

15. To fhew the Ufe of the Table of Climates.

CHA P. XXVI.

Of Light, Heat, Cold, and the Seasons of the

Year in different Places and Zones of the Earth,

Page 567

1. The Caufes enumerated which may produce or alter

Light, Heat, &c.

2. How Spring, Summer, Autumn, and Winter are

to be defined.

3. The Determination of the Seasons in different Zones,
and Places of the Zones.

4. A Place in the Torrid Zone being given, to find
the Days of the Year whereon Summer, Autumn,

Spring, and Winter begin and end.

5. In what Places the Duration of the four Seasons
is equal, and in what unequal.

6. Of the unequal Depreffion of the Sun below the

Horizon in different Places.

7. To find the Duration of the Twilight, in a given
Place, upon a given Day.

8. The Twilight is fhorteft in the Torrid Zone, and

longeft in the Frigid.

9. At what Hour in any Place in the Torrid Zone,
the Sun has the fame Altitude as at Noon in any

Place out of the Torrid Zone.

10. The Caufes of Light, Heat, &c. in the Torrid Zone.
11. How the Light, Heat, and Seafons, are found in

the Places of the Torrid Zone.

12. How in the Places of the Temperate Zones.

13. How in the Places of the Frigid Zones.

CHAP. XXVII.

Of Shadows, and the Denominations of Places,

thence arifing,

Pag 619

Definitions of the Perifcii, Afcii, &c.

1. Shadows falling oppofite the Sun.

2. The Inhabitants of the Tropics are Afcii Hete-
rofcii.

3. The Inhabitants of the Torrid Zone Afcii Am-
phifcii.

4. The Inhabitants of the Temperate Zones Heterofcii.
5. The Inhabitants of the Frigid Zone Periscii.

6. A Place being given in the Torrid Zone, to find
the Days of the Year wherein the Inhabitants of
that Place are Afcii.

7. A Day of the Year being given, to exhibit thofe
Places where the Inhabitants are Afcii on that

Day.

8. A Place being given in the Frigid Zone, to find

the Days wherein the Inhabitants will be Perifcii.

9. On the contrary, a Day of the Year being given,
to exhibit all thofe Places the Inhabitants whereof
become Perifcii on that first Day.

10. How the Shadow falls on Places under the Equator.
11. To fix a Plane in any Place, fo that the Shadews
of a Style upon it shall be directed as on a hori
zontal Plane of any other Place.

12. In Places under the Equator the Shadow on the

equinoctial Days remains in one ftrait Line.

A 4

13. How

13. How the Business of Shadow happens in Places of

the Torrid Zone.

14. A Place being given in the Torrid Zone, to find

the Hour, and Point of the Compass in which the

Shadow will go back, and the Sun appear to change

bis Course.

15. How the Length of Shadows increafes and decreafes.
16. The Length of a Style and it's Shadow being given,
to find the Height of the Sun.

17. To find the Length of the Shadow projected by the

whole Earth.

18. How large a Part of the Moon is darkened in an

Eclipfe.

19. The different Lengths of Shadows.

20. Of the Shadow of a Style, which is part of the
Axis of the World, or parallel thereto.

21. To make an Equinoctial Sun-Dial.

22. To defcribe a Dial on an borizontal Plane.

23. To make a vertical Dial.

24. To make a Dial for one Place, to fhew the Hour

at another.

25. To make a Dial whereon the Shadow shall go back.

CHA P. XXVIII.

Of the relative Properties of the Heavens in different

Places of the Earth; with the different Denomi-

nations of the Inhabitants, thence arifing, P. 633.

1. What People have it twelve o'Clock, and all the

fame Hours at the fame Time.

2. What People have different Seafons of the Year at

the fame Time.

3. Of left Hand and right, and the Rifing and Setting.

4. The Properties of the Antoci compared.

5. What People have no Antoci, &c.

6. To exhibit the Antœci, Perioci, and Antipodes

of a given Place.

7. The Comparative Properties of the Inhabitants of

the fame Parallel

8. The

8. The Comparative Properties of the Perioci.
9. The Comparative Properties of the Antipodes.

10. The Perioci of one Place, the Antipodes of ano-

ther, &c.

11. To exhibit all thofe Places upon the Globe that have

all the fame Hours at the fame Time with a given

Place.

12. A Place being given, to exhibit all thofe Places where
the Days are equal with the Nights of the former.
13. At what Hours the Antoci fee the Sun together.
14. At what Hours the Periceci do the fame.

CHA P. XXIX.

P. 643

The Time of different Places compared,

1.. The Hour of one Place being given, to find the

Hour of another.

2. The Hour of any one Place being given, to shew
the other Places where it is any Hour at Pleasure:

3. The Altitude of the Sun being given, with the Day

of the Year, and the Latitude of the Place, to

find the Hour, &c.

4. The Point the Sun is in being given, to find the

Hour of the Place.

5. To find the Hour of the Place
the Place by the Globe and
Sun-fbine.

6, 7. An Hour being given according to the common
Reckoning, to find the Babylonish Hour; and con-
verfely.

8, 9. The common Hour being given, to find the
Italian Hour; and converfely.

10, 11. The common Hour being given, to find the
Jewish Hour; and converfely.

12. Whence it happens that in failing round the Earth,
a Day is either loft or got.

CHAP. XXX.

Of the different Rifings and Settings of the Sun and
Stars in different Places,

Page 652.

1. To fufpend a Globe in fuch a Manner as that the

Sun may illumine fuch Parts thereof as it does

the corresponding Parts of the Earth each Hour

of the Day.

2. To do the fame with the Globe and the Moon.

3. The different Points of the Horizon, wherein the

Sun rifes and fets.

4. Of the right and oblique Afcenfion of the Sun a-
bove the Horizon.

5. The Different Times wherein the Conftellations rise.
6. A Day being given, to find the Places where the
Sun rifes in a given Point.

7. The Hour being given, to fhew the Place whereto

the Sun is then vertical.

8. The Hour being given, to find the Places from
whofe Vertex the Sun has a given Distance.

9, 10, 11. The Hour of a given Day being given, to

exhibit all the Places to which the Sun then rifes

and fets.

12. To find how large a Part of the Earth may be

illumined by the Sun.

13. How much fooner the rifing Sun may be feen upon
the top than at the Bottom of a Mountain.

14. From this Difference of Time, to find the Height

of the Mountain.

15. To exhibit the Places whereto the Moon is vertical
upon a given Day.

16. To find the Hour of the Moon's rifing and setting.
17. To fhew all the Places where the Moon rifes and fets.
18. To exhibit the Places where the Eclipfe of the
Moon may be feen, and where it cannot.

19. How large a Part of the Earth is illumined by
the Moon at Full-Moon.

20. To exhibit all the Places whereto any fixed Star is

vertical.

21. To exhibit all the Places where, at a given Hour,
a Star is in the Meridian.