INDEX. 



Acalephs on the sea surface, 74, 362. 



Acari of solutions, 390. 



Acetylene, preparation of, 63. 



Adrianople, or Turkey red, 112. 



Age of the pyramids, 469. 



Air, analysis of, 472 ; Quetelet on the 



electricity of, 408. 

 Albertite, new mineral, 145. 

 Alcohol from coal gas, 229 ; production 

 of, and other organic substances by 

 synthesis, 64. 

 Alcohols, artificially formed, 467. 

 Al Rai in Ophiucus, 55. 

 Alternation of generations, 101. 

 Alum, 109. 



Aluminium and its alloys, new appli- 

 cations of, 391. 

 Amylaceous fluid in wallflowers, 93. 

 Analysis of air, 472. 

 Ancient Egyptian jewellery, 64. 

 Ancient Indian tombs, 333. 

 Androgynous molluscs, 100. 

 Aniline, or Kyanol, 114. 

 Animal and float of Ianthina, 471. 

 Animals, language of, 211 ; their origin 



and transformation, 95. 

 Annular nebula, Lassell on an, 353. 

 Annulated animals, 104. 

 Aphides, plant lice, 100. 

 Aphrodite hispida, hairy sea- mouse, 81. 

 Aplanatic eyepiece, 62, 311. 

 ArachnoidiscusEhrenbergiiasatest,429. 

 Architecture, submarine, 339. 

 Archaeopteryx, 443. 

 Arrow-root used for the adulteration of 



honey, 95. 

 Art, taste in, 116. 

 Art criticisms, 117. 

 Artesian wells in the desert of Algiers, 



228. 

 Artificial heat, economic production of, 



398. 

 Asbestos paper, 390. 

 Asilus, 396. 

 Asteroid, the new, 147 ; 75th, 390 ; 



76th, 469. 

 Astrapia nigra, magnificent plumage 



of, 73. 

 Astronomical Society, 62. 

 AstkonomY. — Star-finding, 36 ; double 



stars, 54 ; transit of the shadow of 



Titan, 52 ; the moon, 57 ; occupa- 

 tions, 60 ; opposition of Mars, 131 ; 

 double stars, 133 ; occultations, 139 ; 

 the comet, 139 ; comet II., by the 

 Rev. C. "Webb, 198 ; observations on 

 comet II. by the Hon. Mrs. Ward, 

 205 ; appearance of comet II. at 

 Paris, 220 ; double stars, occultations, 

 299; variable nebulse, 310; double 

 stars, occultations, the earth in op- 

 position, 370 ; comets, 380 ; Gau- 

 tier on nebula?, 418 ; magnificent 

 meteor seen on the 27th November, 

 1862, 422 ; the moon, 461 ; occulta- 

 tions, 464. 



Atmosphere, its divisioninto layers, 408. 



Atmospheric electricity, distribution of, 

 410. 



Aurora 'borealis, De la Rive on, 38 ; 

 Walker on, 258. 



Auroras and magnetic perturbations, 

 469. 



Australia, explorations in, 386. 



Aye-aye, habits of the, 379. 



Bal^ena marginata, Australis, Antarc- 

 tica, 161. 



Balloon ascents, 306 ; Mr.Grlaisher's, 231. 



Balloons, re-introduction of Montgolfier, 

 232. 



Beavers, furs of, in the Exhibition, 162. 



Bees, plants most attractive to, 93. 



Belgium, thunderstorms of, 410. 



Benzole, 114. 



Bibeo marci, leg of, 397. 



Binocular microscope, 349. 



Birds, music of, 20 ; language of, 21. 



Black lead disintegrated, 65. 



Blackbirds singing at night, 19. 



Blackcaps in suburban districts, 19. 



Blastoderm of eggs, 97. 



Bleeding by leeches, 353. 



Boat of death of the ancient Egyp- 

 tians, 65. 



Bolide, blue, 390. 



Bolides, 470. 



Bostrichus chalcographus, 31 ; Topo- 

 graphs, 31. 



Brain, Elouren on wounds of the, 147. 



British Association for the Advance- 

 ment of Science, 305, 384. 

 K K 



