GENEEAL INDEX. 



BAHIA, meteoric stone of, i. 133 



Bailey's beads, xii. 168 



Bain's chemical telegraph, iv. 46 



Baking pottery, ii. 189 



Balance-wheel in watches, vi. 26 



Balearic Isles, pottery in tke, ii. 133 



Ball signal at Greenwich, i. 112 



Ballons, system of, xii. 14 



Balloons, ii. 107 



Barometer, i. 70 ; iv. 178 ; v. 42 



Barren island, xi. 112 



Basalts, xi. 176 



Batteries used for English telegraphs, 



iii. 130-3 

 Bavarian manufacture of porcelain, 



ii. 158 



Baya, nest of the, viii. 148 

 Bear, the, viii. 167 

 Beaver, the, viii. 149 

 Bee, the, viii. 140; x. 87 

 Beetle, vi. 81 ; ix. 203 

 Bekker, Paul, ii. 157 

 Belgian cable, iii. 168 



railways, i. 169 ; vi. 135 



telegraphs, iv. 31 ; ib. 133-9 



Bellows, v. 106 



Bells, ii. 29 ; iii. 204 



Belts of Jupiter, i. 37 



Bevelled wheels, vi. 20 



Biela's comet, i. 68 ; ii. 95 



Bigranulosa Murchisonia, xi. 63 



Binary stars, viii. 1 



Binocular parallax, xi. 138 



Birds, viii. 152 ; xi. 135 



Births, i. 123 ; viii. 69 



Bishop, vi. 166 



Bisque firing, ii. 186 



Bissextile years, v. 160 



Black sea, ix. 142 



Bladder glass, v. 98 



Blainplan, M., xi. 171 



Blast-pipe, vi. ] 23 



Blindness, v. 194 



Blood of insects, vi. 78 



Bode, Professor, i. 57 ; vi. 163 



Boiling point, ii. 99 ; vi. 153 



Bombay, telegi'aphic connection of 



with Alexandria, iii. 162 

 Bond, Professor, i. 55 

 Bone cave, xii. 140 

 Bones in infancy, viii. 71 

 Bononio's researches, vi. 98 

 Boston telegraph, iv. 132 

 Bottger, J. F., ii. 151 



194 



Bourguignon, Dr., vi. 98 



Bouvard, i. 77 ; vi. 175 



Bow, porcelain manufactory at, ii. 165 



Brain, viii. 50 



Brakes for stopping trains, i. 173 



Brazil, i. 119 



Breguet's telegraph, iv. 15 



Brett's printing telegraph, iv. 59 



Brewster, Sir D., v. 80 : vii. 78 ; 



xi. 141 

 Bridges, meaning of the term with 



respect to earthquakes, iv. 163 

 Bright, iii. 147 

 Brine pumps, x, 141 

 British America, telegraphic lines in, 



iv. 129 



India, ix. 146 



Isles, ix. 140 



Brongniart, M., anecdote of, ii. 154 

 Brougham, Lord, iii. 15 

 Brorsen, M., xi. 166 ; ib. 184 

 Buckland, Dr., xi. 60 ; xii. 90 

 Buffon, viii. 115 

 Burnens, see Huber 

 Butter, vi. 106 



CABLES, submarine, iii. 151 



Caesar's comet, ii. 91 



Calabria, earthquake of, ii. 85 ; iv. 



154 

 Calendar, v. 152 



month, vii. 1 



California, projected telegraph to, 



iv. 127 



Camel, the, vi. 102 

 Camera lucida, v. 94 ; ix. 56 

 obscura, viii. 203 



Campania, ii. 120 



Campbell, Thomas, ix. 204 



Canals, ii. 18 



Candle, explanation of the burning 



of, ii. 205 



Canis major, vii. 38 

 Carbon, ii. 194 

 Carbonic acid, ii. 11 ; iv. 197 

 Carburetted hydrogen, ii. 198 

 Carcel lamp, ii. 206 

 Caribbean sea, ix. 151 

 Carnivorous animals, viii. 148 

 Carpenter bee, viii. 143 ; x. 21 

 Carrier pigeons, viii. 173 

 Caspian sea, ix. 142 

 Cassiopeia's chair, vii, 156 



