« AnteriorContinuar »
jó. Having the Semi-diameter given, to find the peo
riphery of a Circle.
3. The Arguments that prove it spherical.
12. The Measure of the Parallels of the Earth.
CH A P. VII.
Of the Substance, internal Structure, and Composition of the Earth,
Page 87 1. To explain of what Substances the Earth is com
posed. 2. The Earth divided into a consistent and fluid Part, and the Atmosphere ; or into Earth, Water, and
Air. 3. How the Earth and Water bold together, and
constitute one Globe. 4. The Surface of the Earth continued, but not the
Surface of the Waters. 5. How the parts of the Earth are, from the Sur.
face to the Center, is uncertain. 6. That Earth has its Consistency and Coherence from $ Salt. Linn 7. Different kinds of Earth variously mixed in the
Globe. 8. The Situation and Disposition of the Parts of the Earth different at different Times.
CHA P. VIII.
Of the Division of the Parts of the Earth into
integrant Parts of the Sea. . Page 103 1. Part of the Earth covered with Water, and : Part not. 2. Tbe dry Parts separated from each other by the
Waters between. 3. Four great Continents enumerated. 4. Ten great Islands enumerated. 5. Ten moderate Isands enumerated. 6. Ten small. Isands enumerated. 7. The smallesi Isands enumerated. 8. The Peninsulas, Isthmusses, and Capes, or HeadLands,
9. Fourteen Peninsula's enumerated.
СНАР. ІХ. Of Mountains in general, and the Ways of taking their Altitude.
Page 119 1. The Parts of the Earth are of different Al. titudes. 2. To find the Height of a Mountain by Al
timetry. 3. The Height of a Mountain being given, to find
it's Distance from a certain Place. 4. The Distance being given from whence the Top
of a Mountain is first seen; to find it's
Height. 5. The Height of a Mountain being known, to
find the utmost Distance whereto it may be
seen. 6. The Sun's Height above the Horizon being given
at any Time, and the Length of the Shadow of the Mountain at that Time, to find the Height
of the Mountain. 7. The Height of Mountains bears no sensible Pro
portion to the Semidiameter of the Earth, or does
not hinder the Sphericity of the Globe. 8. To explain the Origin of Mountains. 9. Why Rains and watery Meteors are frequent on
the Tops of Mountains, whilst it is fair below. 10. Wbether the Surface of a Mountain be more ca
pacious than the Plain it stands on.
CH A P. X.
Of the Differences of Mountains. Page 135
1. Some Mountains are large, 'other's small.. 2. The more famous Mountains enumeratėd..