ILLUSTRATIONS. 



1 

 105 



108 

 116 



Sargent. The Thames by Moonlight . . 



- Saturn and his Rings 



- Phases of Saturn 



_ Comparative Magnitude of the Planets 



- Initial O 



. _ Comet of 1456, as seen at Constantinople 



__ Various Forms of Comets . . 117 



- Comet of 1744 ...... 119 



_ Schroeter and Bessel's Comets . . . 120 



_ Comet of 1811, as seen at Winchester . 121 



- - Comet of 1811 ...... 123 



_ _ Encke's Comet of 1795 . . . .123 



- Orbit of the Comet of 1832 . . . . 125 

 _ .. Comet of 1843, as seen on the Essequibo . 127 



Forrester. Initial F ....... 130 



Sargent. Meteoric Shower in Greenland . . 138 



__ ___ at the Fall of Niagara . 139 



_ --- on Lake Niagara . .140 



_ Theory of Meteoric Showers . . . 141 



Forrester. Initial W ....... 143 



Sargent. MoUth of the Dardanelles . ... 145 



_ Banks of the Euphrates ." . . . 145 

 The Constellations . . 149152 



Initial T . . . . ' . . " . 158 



Herschel's Telescope . . . . . 160 



Milky Way ...... 161 



- Initial W ....... 166 



_ . Grours of Nebulae ..... 178 



_ Nebulous Appearances . . 180 187 



_ Tail-piece, Nebula- ..... 192 



- Physical Geography ..... 193 

 _ _ Port of Sidon from the Sea . . . 194 



J. Dower. Map of the World ..... 195 



Harvey. Leuctra and Cape Matapan . '. . 198 



Sargent. Mouth of the Bosphorus . . . . 199 



- Initial I ....... 200 



_ . Mount Egmont, New Zealand . . . 201 



- Peter Botte Mountain . . . 202 



- Cotopaxi ....... 211 



_ Mount Etna, from Syracuse . . 213, 214 



Forrester. Initial I ..... . . 215 



Sargent. Defile of the Darial ..... 216 



- Glacier of the Rhone ..... 218 



- Vale of Dovedale ..... 220 



- - Great Plain of the Caucasus . . . 224 



- Lake of Mandia ..... 226 

 Forrester. Sand Storm in the Desert .... 227 

 Sargent. Ruins of Palmyra from the Desert . . 228 



- , Llanos of Badajoz ..... 231 



. The Pyrenees from the Plain of Langue* 



doc ....... 237 



- KirkdaleCave ...... 238 



- Jorulla Mountain, Mexico . . . 239 / 



- . CaveofFingal . ..... 241 



Forrester. Peveril of the Peak's Castle . . .243 



- - Cupola Cave . . . . . . 244 



- Organ Blue John Cavern . . . 2-49 

 Sargent. Kirkdale Cave, Yorkshire . . . . 252 



- - Kent's Cave, near Torquay . . .253 

 . - . Gailenreuth ...... 254 



- . Section of Gailenreuth Cave . . . 255 

 Forrester." Grotto del Cane ...... 256 



- Caverns of Dudley Castle . . . 257 

 -- - Entrance to Odin's Mine . ... 258 



Sargent. Fountain of Arethusa .... 259 



. --- Castalian Spring, Mount Parnassus . . 260 



- St. Winifred's Well ..... 264 



- Intermittent Spring . '. . . . 265 



- Pool of Siloam ..... 267 

 Forrester. The Great Geyser, Iceland . . . . 273 

 Sargent. Dripping Well, Knaresborough . . 277 



- Falls of Tivoli ...... 278 



- The Susquehannah ..... 281 



- The Rhine at Oberweisel .... 282 



- Katerskill Falls . 284 



Sargent. 



E. Weeden. 



Sargent. 



Weeden. 

 Sargent. 



Sargent. 

 Forrester. 



Sargent. 

 Btinner. 

 Sargent. 



Forrester. 



Sargent. 

 '(Forrester. 

 Sargent. 



Forrester , 

 Sargent. 



Duncan. 

 Sargent. 



Falls of the Trolhetta . . . . . 283 



Falls of the Terni ..... 286 



Natural Bridge, Virginia . . . . 291 



Valley of the Concern, Chili ... 293 



The Nile at the Pyramids . . . . 296 



Source of the Angitus . . . .300 



Natural Bridge of Ain-el-Leban . . . 301 



Loch Katterine ..... 309 



The Kandel Steig, Switzerland . . . 310 

 Cascades in Mount Taurus . . .313 



The Dead Sea ...... 314 



Lake Saratoga ...... 321 



LakeJoanina ...... 323 



Cader Idris . . . . .324 



Source of the Jordan ..... 325 



St. Helena ...... 326 



Fiords of Norway . . . ... 332 



Gale in the Pacific ..... 335 



Icefields ....... 337 



Icebergs ....... 338 



The jEgean Sea, from JEgma. . . . 346 



Mouth of the Bosphorus . . . . 347 



Cape Horn ....... 348 



Initial T . . . . . . . 349 



Lancaster Sands ...... 355 



Port of jEgina . . . . . . 357 



Solway Sands ...... 359 



Cronburg Castle, Cattegut . . . . 363 



Sinope on the Black Sea . . . . 365 



Straits of Gibraltar ..... 366 



Initial W. . ...... 370 



Valley of Chamouni ..... 372 



Barren Island ...... 375 



Hotham Island 



St. Eustatia, West Indies . 



Blocks of Coral 



Aurora Island ... 



Dean's Island 



Banks of the Euphrates . 



Whitby Abbey 



Undercliff, Isle of Wight . 



Hob Hole, Whitby 



The Needles, IsJe" of Wight 



Bay of Alexandria 



377 



379 

 380 

 381 

 381 

 385 

 386 

 391 

 393 

 394 

 31)7 



Harvey. 



Coast of AsiaMinor, from the Isle of Samos 398 



Gulf of Trieste ...... 399 



Coast of Puzzioli ...... 404 



Plains of Kosova ...... 406 



Initial A ......... 407 



The Righi Pass ...... 409 



Valley of the Adige ..... 413 



Rhymer's Hill ...... 417 



White Mountains, Alleghany . . . 419 

 Plains of Thebes . .' . .422 



Valley of the Catecucaumene . . . 430 



Fissures of Polistena ..... 432 



Circular Hollows, ditto . .433 



Volcanic Mountain of Orizaba . . .434 



Initial I ........ 435 



A Calm at Sea ...... 438 



Monsoon ....... . 443 



Vesuvius from St. Elmo .... 445 



Hurricane in the Tropics . . . . 451 



Waterspout in the Mediterranean . . 457 



Tail-piece, Man overboard . . . . 460 



Ignis Fatuus ...... 461 



Loch Achray ........ 465 



Durrenstein, on the Danube . . . 466 



A Thunder Storm ...... 469 



A Snow Storm ...... 478 



Castle of the Seven Towers . . . . 483 



Initial W ....... 484 



Plains of Beloochistan . . . . , 485 



Mount Ararat ...... 488 



Gorge of the Tyrolese Alps . . . . 490 



