IXDEX. 



37ft 



In Peru." See Translator's note, 215, 

 216, 217. 

 Turner, not*; on Sir Isaac Newton, 132. 



Universality of animated life, 342, 343. 



Valz on the comet of 1618, 106. 



Varenius, Bernhard, bis excellent general 

 and comparative Geography, tjti, 67 ; 

 edited by Newton, 66. 



Vegetable world, as viewed with micro- 

 scopic powers of vision, 341; its pre- 

 dominance over animal life, 343. 



Vegetation, its varied distribution on the 

 earth's surface, 29-31, 62 ; richness and 

 fertility in the tropics, 3:i-35 ; zones of 

 vegetation on the declivities of mount- 

 ains, 29-32, 346-350. See ^tna, Cor- 

 dilleras, Himalayas, Mountains. 



Vico, satellites of Saturn, 96. 



rigne, measurement of Ladak, 332. 



Vine, thermal scale of its cultivation, 324. 



Volcanoes, 28, 30, 35, 159, 161, 214, 215, 

 224-248 ; author's application of the 

 term volcanic, 45; active volcanoes, 

 safety-valves for their immediate neigh- 

 borhood, 214 ; volcanic eruptions-, 161, 

 210-270 ; mud volcanoes or salses, 224- 

 228 ; traces of volcanic action on the 

 surface of the earth and moon, 228 ; in- 

 fluence of relations of height on the oc- 

 currence of eruptions, 228-233 ; vol- 

 canic storm, 233 ; volcanic ashes, 233 ; 

 classification of volcanoes into central 

 and linear, 238 ; theory of the necessity 

 of their proximity to the sea, 243-246 ; 

 geographical distribution of still active 

 volcanoes, 245-247 ; metamorphic ac- 

 tion on rocks, 247-249. 



Vrolik, his anatomical investigations on 

 the form of the pelvis, 352, 353. 



Wagner, Rudolph, notes on the races of 



Africa, 352. 

 Walter on the decrease of volcanic activ- 



fty. 215. 



Wartmann, meteors, 113, 114. 



Weber, his anatomical investigations on 

 the form of the pelvis, 353. 



Webster, Dr. (of Harvard College, U. S.), 

 account of the island named Sabrina. 

 See note by Translator, 242. 



Winds, 315--i321 ; monsoons, 316, 317 ; 

 trade winds, 320, 321 ; law of rotation, 

 importance of its knowledge, 315-317. 



Wine, on the temperature required for 

 its cultivation, 324 ; thermic table of 

 mean annual heat, 325. 



Wollaston on the limitation of the atmos- 

 phere, 302. 



Wrangel, Admiral, on the brilliancy of the 

 Aurora Borealis, coincident with the 

 fall of shooting stars, 126, 127; observa- 

 tions of the Aurora, 197, 200 ; wood hills 

 of the Siberian Polar Sea, 281. 



Xenophanes of Colophon, described com 

 ets as wandering light clouds, 100; ma- 

 rine fossils found in marble quarries, 

 263. 



Young, Thomas, earliest observer of the 

 intiuence ditlerent kinds of rocks exer- 

 cise on the vibrations of the pendulum, 

 168. 



Yul-sung, described by Chinese writers as 

 " the realm of pleasure," 332. 



Zimmerman, Carl, hypsometrical re 

 marks on the elevation of the Hima- 

 layas, 32. 



Zodiacal light, conjectures on, 86-92 , 

 general account of, 137-144 ; beautiful 

 appearance, 137, 138 ; first described 

 in Childrey's Britannia Baconica, 138; 

 probable causes, 141 ; intensity in trop- 

 ical climates, 142. 



Zones, of vegetation, on the declivities of 

 mountains, 29-33 ; of latitude, their di 

 versified vegetation, 62 ; of the south- 

 em heavens, their magnificence, 85, 86, 

 polar, 197, 198. 



t'SiL O? YOU h 



