VI. TURKEY GREECE. 



THE SURFACE OF THE EARTH, 



OR FIRST NOTIONS OF GEOGRAPHY. 



CHAPTER IV. 



176. Climate, dependent on elevation. 177. Vegetation of the Himalayas. 

 178. Vegetation of the Andes. 179. Animals of the tropics. 180. 

 The Himalayas Animals inhabiting them 181. The local character 

 of climate. --18 2. Heat received from celestial spaces. 183. Why the 

 temperature of the earth is not indefinitely increased. 184. Effect 

 of clouds. 185. Effect ot contact of air and earth. 186. Thermal 

 effects ot a uniform surface. 187. Why this regularity does not 

 prevail. MOUNTAINS. 188. Maps and globes in relief. 189. John- 

 ston's Physical Maps. 190. Mountain ranges not uniform. 191. 

 Spurs. 192. Relief of the earth's surface. 193. Effect of the con- 

 templation of mountain scenery. 194. The Pyrenees. 195. The 

 Alps. 196. Average height of continents. 197. New mountain 

 ranges possible. THE OCEAN. 198. Greatest depth. 199. Uses of 

 the ocean. 200. General system of evaporation and condensation. 

 201. Climatic effects. 202. Ocean currents. 203. Antarctic drift 

 current. 204. Its equatorial course. 205. Gulf stream. 206. 

 Course and limits of oceau currents evident. 207. Ocean rich in 

 animal life. 20?. Moral impressions. 



LAKPNER'S MUSFUM or SCIENCE. 

 No. 117. 



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