INDEX 



PAGE 



Acari in Mica, 300 



Acid, carbonic, physiological and thera- 

 peutic effects of, 253 

 Acids, gallic and tannic, action of, 252 

 Adams's prize problem, 379 

 Africa, explorations in Central, 364 

 " geology of Central, 2^5 

 " western coast, new animals from, 356 

 African Exploration Society, 14 

 Agricultural Chemistry, neV investiga- 

 tions in", 271 

 " Implements at the Paris 



Exhibition, 



Air, resistance of, to projectiles, 192 



Albany Observatory (Dudley), 16 



Alcohol, action of, upon the stomach, 270 



" artificial production of, from 



bicarbureted hydrogen, 263 



Algeria, its products, 136 



Alloys for journal-boxes, 210 



" new metallic, 209 



" of iron, potassium, and aluminum, 



not subject to oxydation, 211 

 Aluminates and silicates, artificial pro- 

 duction of, 222 

 Aluminum, the metal, 215 

 Amalgamators, improvements in, 90 

 Amazon, Upper, birds of, 362 

 Arnbrotype, process for producing, 181 

 American Association for 1855, 3 

 " Continent, North, physical 



changes in the character of, 234 



" extreme Northern, Geology of, 2SO 



Ammonia and Boracic acid, 231 



" " Nitric acid in rain water, 271 



" formation of, in iron smelting, 206 



Anatomical specimens, new method of 



preserving, 

 Anchor, storm, 



Andes, Barometric anomalies about, 198 

 Animal and vegetable kingdoms,distinc- 



tions between, 342 



Animals, marine, destruction of.by slight 



changes of temperature, 353 



" new, from Western Africa, 356 

 Antimony of California, 332 



Aquarium, observations on the preserv- 

 ation of marine animals in, 353 

 Arabian DesC-rt, conversion into a lake, 293 

 Arctic region, coal from, 326 

 " "" new map of, 13 

 " seas, discoveries in, 20 

 Armories, U. S., Improvements in the 

 fabrication of arms, 91 



PAGE 



Arms, improvements in, at U.S. Armories, 91 

 AKNOTT, DK. NEIL, on the economy of 



fuel, 69 



Art and utility in France, 137 



Artillery and projectiles, 99 



" vents, improved, 

 Assyrian discoveries, 

 Astronomical observations in India, 



progress,prospect of future, 



9T 



369 



17 



11 



Atlantic submarine telegraph, sugges- 

 tions concerning, 143 

 Auger, improved," Hoagland's, 113 

 Aurora Borealis, Sir John Boss's explan- 

 ation of, 151 

 Australia, fossil bones in alluvium of, 293 

 Axle, Green's patent sleeve, 78 

 " boxes, glass and iron, 78 



BABBAGE on mechanical notation, 195 



Bank-note paper, experiments with, 84 

 Bank-notes, manufacture of, 85 



Barometric anomalies, 198 



Basalt, action of air and water on, 230 



Basin stop-cocks, improved, 120 



Battery, Stringfellow's pocket electric, 139 

 BEAUMOXT'S type-distributing machine, 109 

 BEAUKEGARD'S discoveries in photogra- 

 phy, ITT 

 BECQUEREL on the separation of ores of 



silver, lead, and copper, 224 



BELL, DK., on the so-called spiritual phe- 

 nomena, 154 

 Bench-hook, improved, 115 

 Benzole, economic applications of, 252 

 Binocular vision of surfaces of different 



colors, 172 



Bird, new gigantic fossil, 322 



Birds, roosting of, 353 



BLAKE, WILLIAM P., 2S6-S 



Bleaching wax, tallow, etc., 245 



Blinds, improvements in adjusting, 116 



Blood, fountain of, in Honduras, 352 



" globules, photographic impres- 

 sions of, 180 

 Boats, canal, mode of freeing from water, 129 

 Bodies, chemical equivalents of certain, 205 

 Boilers and furnaces, Champion's im- 

 proved, 33 

 Fairbairn on the strength of, 

 Bomb-lances for whaling, 92 

 Book, curious scientific, 13 

 Books, machine for trimming, 130 

 Boracic acid and ammonia, production 

 of, by volcanic action, 23 



