A/- 



ENGEAVINGS ON STEEL. 



THE BANGS PASS, I'ERU, ...... 



UPPER GLACIER OF THE GRINDELWALD, ..... 



MAPS OP THE SIDEREAL HEAVENS 



JANUARY TO APRIL, ...... 



APRIL TO JULY, ....... 



AUGUST TO OCTOBER, ...... 



NOVEMBER TO JANUARY, ..... 



ANNUAL REVOLUTION OP THE EARTH ROUND THE SUN, 



PHASES AND MOVEMENTS OP THE MOON ROUND THE EARTH, . 



MAP OP THE MOON, REDUCED FROM THE LARGE MAP OP MM. BAER AND MADLER, 



CRATER OF KILAUEA, ....... 



LA VINDA PASS, PERU, ....... 



PETRIFIED CASCADE NEAR PAJIBOUKKALI3E (THE ANCIENT JIIERAPOLIS), 

 MAP OP THE ORINOCO, ....... 



ESTROZA PASS, MADEIRA, 



CHARACTER OF CLOUDS, ...... 



CEDARS OF SOLOMON, MOUNT LEBANON, ..... 



PAGE 



Frontispiece. 

 Vignette. 



xii 



ib. 

 ib. 

 ib. 



72 



80 

 8B 



. 210 

 230 



. 277 

 299 



. 415 

 464 

 559 



ENGRAVINGS ON WOOD. 



Page 



Birs Nimrood, ..... 1 



Portrait of Thalcs, ..... 6 



Portrait of Pythagoras, .... 8 



Aristarchus's Plan of Earth's distance from the Sun, 9 



Eratosthenes' s Plan of Earth's magnitude, . . 9 



Portrait of Ptolemy, .... 11 



System of Ptolemy, . . . . .12 



Mars and Jupiter's Circuits, ... 12 



System of Hipparchus, . . . . .13 



Ptolemy's Theory of Epicycles, ... 13 



Obelisk at Heliopolis, . . . . .15 



Tail-piece, ...... 16 



Portraits of Copernicus, Keppler, and Galileo, . 17 



Initial Letter, ..... 17 



Motions of the Planets, . . . . .21 



Portrait of Tycho Brah, .... 22 



System of Tycho, 

 Earth's motion on its axis, , 

 Tycho Brahe's Observatory, 

 Eefraction of the Atmosphere, 

 Uraniberg, or Castle of the Heavens, . 

 Unequal velocity of the Planets, 

 Portraits of Halley, Newton, and Herschel, 

 Initial Letter, . 



Velocity of Light, 

 Greenwich Observatory, 

 Newton's Birthplace, 

 Newton's Theory of Attractions, 

 Newton's Theory of Centrifugal Force, 

 Room in which Newton was born, . 

 Bailey's Tomb, .... 

 Aberration of the Stars. 



