GENERAL INDEX. 



Treuille mine, xL 126 

 Triassic period, xii. 61 

 Trilobites, xi. 59 ; xii. 56 



ULTIMATE atoms, vi. 206 

 United States, ii. 56 ; iv. 89 

 Universe, the, iii. 55 

 Uranography of Saturn, i. 61 

 Uranus, i. 31 ; vi. 162 ; xi. 180 

 Ursa major et minor, vii. 152-5 



VAGUE year, v. 156 



Val de Bove, xi. 109 



Valleys of elevation, xi. 116 



Valve, safety, v. 9 ; ib. 182 ; vi. 146 



Vapour, ii. 105; iii. 87 



Vases, ii. 120 



Ventilation, ii. 13 ; ib. 204 



Venus, i. 3 



Vernal equinox, v. 166 



Vesta, discovery of, vi. 165 



Vibration of musical strings, iii. 201 



of pendulum, vi. 8 



Vico, de, xi. 166 

 Vienna porcelain, ii. 156 

 Virgil, x. 3 

 Visconti, J. GK, ii. 82 

 Vision, i. 83 ; v. 49 ; ix. 60 

 Visual magnitude, viii. 98 

 Vital air, ii. 14 



Vitreous humour of the eye, v. 52 

 Voice in infancy, viii. 71 

 Volcanic theories, iv. 175 

 Volcanoes, ii. 79 ; iv. 170 ; xi. 98 

 Voltaic battery, iii. 119 



current, ii. 110 



pile, iii. 132 



Voluta elongata, xi. 64 

 Vulcanisation, iii. 149 



WALKER, Mr., iii. 142 



War-horse, the, ix. 207 



War- vessels, x. 124 



Ware, common, ii. 172 



Wasps, viii. 153 



Watch, the, vi. 28 



Water, ii. 98 ; iii. 74 j v. 177 



beetle, vi. 86 



clock, vi. 4 



Water devil, vi. 82 

 fly, ix. 



panic in London, i. 68 



spouts, iii. 88 



Watt, iv. 195 ; v. 41 

 Waves, sonorous, xii. 187 

 Weaksightedness, v. 56 

 Wealden, the, xi. 61 

 Weather, the, i. 73 ; iv. 186 

 Wedgewood, Josiah, ii. 142 

 Week, the, v. 139 

 West Indian Archipelago, ix. 154 

 Western Alps, system of, xii. 20 



or New Continent, ix. 149 



Westphal, M., xi. 184 



Whales, iii. 80 



Wheatstone, Professor, iii. 176 ; xi. 



140 



Whewell, Dr., vii. 138 

 Whiston on the Deluge, ii. 90 

 Whit Sunday, vii. 20 

 White ants, ix. 98 



sea, ix. 140 



Whitworth's telegraphic report, iv. 



129 



Will-o'-the-Wisp, ii. 199 

 Winds, the, i. 20, 76 ; iii. 86 

 Wine -making, i. 119 

 Winter, ix. 170 



Wire, iii. 141, 195 ; iv. 189 ; vi. 199 

 Wolf, the, viii. 164 

 Wollaston, Dr., iii. 125 ; v. 201 

 Wolverhampton, xi. 126 

 Woman's milk, vi. 107 

 Women, average height of, viii. 76 

 Wood fuel, ii. 201 

 Worcester porcelain, ii. 165 

 World, age of the, vii. 55 



YEAR, planetary, i. 36 ; v. 147 

 Young, Mr., i. 205 



ZENITH, i. 102 



Zetland, Lady, i. 190 



Zig-zag, iii. 203 



Zinc and copper tattery, iii. 123 



Zodiac, signs of the, vii. 41 



Zodiacal light explained, i. 157 



Zoological stratification, xii. 26 



205 



