1870.] 



Index. 



581 



Becquerel, E., Electro-capillary Action , 



570. 



on Electro-motive Forces, 431. 



Beer Scientifically and Socially Con- 

 sidered, by J. Samnelson, 299. 

 Belgian Agriculture, 242. 

 Bexeden, Prof. Van, on Coinmensalisin, 



291. 

 Bennett, A. W., on Foreign Trees and 



Plants for English Gardens, 350. 

 Benzyl, Optical Properties of, 5G4. 

 Beet, M., Physiology of Sepia, 291. 

 Beryl, Analysis of, 418. 

 Bessemer Process, 557. 

 Birt, Mr., on Lunar Crater Plato, 394. 

 Black friars Bridge, 111. 

 Blake, E. W., Electric Spark Figures, 



570. 

 Blanford, W. J., Geology of Abys- 

 sinia, 119, 408. 



Origin of u Cyclone, 121. 



Blast Furnaces, 192. 

 Blast-furnace Slag, Utilization of, 260. 

 Blood, Origin of Fibrin of the, 139. 

 Bloxam, T., Ignition of Sodium on 



Water, 106. 

 Blum, Dr., on Pseudomorphs, 127. 

 Boeke, J. D., Formation of Ozone by 



Combustion, 566. 

 Boiler Explosions, 536. 



Incrustations, Prevention of, 109. 



Boiling Liquids, Bumping of, 136. 



Water, Best Method of, 568. 



BoNXEY,*Kev. T. G., Pholas-burrows in 



the Ormes Head, 118. 

 Bontemps, M., Action of Light on 



Glass, 286. 

 Bonwick, Mr., on the Origin of the 



Tasmanians Geologically considered, 



246. 

 Botanic Garden at Brussels, 528. 

 Botanist, Leonardo da Vinci as a, 100. 

 Botany, Chair of, at College of Science, 



Dublin, 258. 



Chronicles of, 99, 254, 394, 524. 



Boulder Drift, on the, 275. 

 Bousslngault, M., Colouring Matter 



of the Emerald, 417. 

 Brachiopoda, Italian Tertiary, 540. 



Zoological Position of the, 572. 



Brady, Sir A., Purification of Iron, 558. 

 Breidden Hills, Notice of, 116. 

 Bridges and Eoofs, Wrought Iron, 72. 

 Bristow and Wbttaker, Messrs., on the 



Formation of the Chesil Bank, 117. 

 British Conchology, or an Account of 



the Mollusca which now Inhabit the 



British Isles and Surrounding Seas, 



79. 

 Brogdex, Mr., Comparative Merits of 



Large and Small Trams for Colliery 



Use, 267. 



Broughton, Mr., on the Cinchona, 258. 

 Browning, J., Automatic Spectroscope, 



390, 424, 523. 



Change of Colour, 253. 



on Changes of Colour on Jupiter, 



393. 



Spectrum Micrometer, 254. 



Bruce's, Mr., Mines Kegulation Bill, 



212. 

 Brush, Prof., on Durangite, a New 



Mineral, 126. 



on Hortonolite, a New Mineral, 



126. 



Meteoric Stone, 126. 



Bubbles of Mercury, 108. 



Buchan, Mr., on the Mean Pressure of 

 the Atmosphere and the Prevailing 

 Winds over the Globe, 275. 



Dr., Rainfall of South of Scotland, 



416. 



Budd, J. P., on the Kemoval of Silicon 

 from Pig-iron, 133. 



Building, the Science of, 508. 



Bull, Dr., Mistletoe on the Oak, 526. 



Burckhard, P., Electrolytic Experi- 

 ments, 430. 



Burmah, Stone Implements from, 514. 



Burt, Mr., Action of Coloured Light on 

 the Mimosa Pudica, 285. 



Busk, G., Caves of Gibraltar, 90. 



Graphic Method of Odontology, 



432. 



C. 



Cailletet, L., Law of Compression of 

 Air, 569. 



Cairns near Bangor, Opening, 384. 



Calcining Kilns, 192. 



Calcium and Zinc, Alloy of, 531. 



Calvariae, Ancient, 245, 247. 



Calvert, Dr., Preparation of Nitrogen, 

 108. 



Campbell, D. J., on Polygamy, its In- 

 fluence in Determining Sex, and its 

 Effects on the Growth of Population, 

 248. 



Campin, F., on the Principles and Con- 

 struction of Machinery, 406. 



Canal, Suez, 110. 



Cane, Mr., Formative Layer in Leaves 

 of Plants, 524. 



Cannibalism in Namur, 384. 



Cappel, E., Influence of Heat on the 

 Delicacy of Spectrum Reactions, 567. 



Carbonic Acid, Combustion of Magne- 

 sium in, 107. 



Decomposition of, by Plants, 103. 



Carboniferous Limestone, Geology of, 

 115. 



