571 
INDEX to VOL. XXII. 
eee 
ACADIOLITE, composition of, 192. 
Acids :— perhydrosulphocyanic, 52; so- 
lubility of arsenious in nitric, 74; ka- 
kodylic, 180; pyrogallic, 279, 417; 
sulphuric, hydrates of, 330; metallic, 
413; zincic, 2b.; plumbic, 414, 497; 
bismuthic, 496. 
/Ethogen and zthonides, on the, 467. 
Agate, iridescent, on the cause of the 
colours in, 213. 
Airy (G. B.) on the total eclipse of the sun 
of July 7, 1842, 391. 
Alumina, native subsesquisulphate of, 192. 
America, North, on the geology of, 547. 
Amidogen, on the theory of, 498. 
Ammonia, absorption of, by various mine- 
rals, 294. 
Anthon(M.) onacurious acetate ofsoda, 74. 
Apjohn (Dr. J.) on the force of aqueous 
vapour, 157. 
Archiac (M. d’) on the fauna of the pa- 
lzozoic rocks, 522. 
Armstrong (W. G.) on the efficacy of 
steam in producing electricity, 1. 
Arrott (A. R.) on some new cases of vol- 
taic action, and on the construction of 
a battery without the use of oxidizable 
metals, 427. 
Arsenio-siderite, analysis of, 500. 
Arsenious acid, solubility of, in nitric acid, 
74. 
Astringent substances, chemical researches 
on, 279, 417. 
Augite from Piko, analysis of, 370. 
Austin (T. jun.) on the occurrence of 
native lead in Ireland, 234, 
Awdejew (M.) on chrysoberyl, 501. 
Baily (F.), award of the Gold Medal to, 
301; on the total eclipse of the sun on 
July 8, 1842, 386. 
Balmain (W. H.) on combinations of ni- 
trogen with silicon, 321; on zthogen 
and zthonides, 467. 
Baltimorite, composition of, 191. 
Barry (Dr. M.) on the corpuscles of mam- 
miferous blood, 368 ; on the cells in the 
ovum compared with corpuscles of the 
blood, 437 ; on fissiparous generation, 
489. 
Battery, voltaic, on the constant, 32, 133 ; 
onthe theory of the gaseous voltaic, 
165; description of a new, 427. 
Bell (Sir C.), notice of the late, 138. 
Bismuthic acid, 496. 
Bones, human, analyses of, 236. 
Blackwell (J. H.) on the igneous rocks of 
South Staffordshire, 524. 
Blood, facts relating to the corpuscles of 
mammiferous, 368 ; comparison of the 
corpuscles of the, with the cells in the 
ovum, 437, 480. 
Bowman (H.) on a double rainbow, 442. 
Brett on the determination of the foci of 
a conic section, 440. 
Brewster (Sir D.) on the cause of the 
colours in iridescent agate, 213; on 
luminous impressions on the retina, 
434, 
Brianchon’s theorem, investigation of, 
167. 
Bronwin (Rev. B.) on M. Jacobi’s theory 
of elliptic functions, 258, 358. 
Buchner (M.) on the solubility of arsenious 
acid in nitric acid, 74. 
Bunsen (Prof.) on kakodylic acid and the 
sulphurets of kakodyle, 180. 
Burnes (Sir A.), notice of the late, 149. 
Carboniferous rocks, researches on the, 
528. 
Carpenter (Dr. W. B.) on the structure of 
the hard parts of the invertebrata, 484. 
Cave of Cuernavaca, account of the, 65. 
Cayley (A.) on Jacobi’s theory of elliptic 
functions, 358. 
Challis (Prof.) on rectilinear fluid motion, 
55, 97. 
Chatterley (W. M. F.) on saline manures 
containing nitrogen, 470. 
Chemical Society, proceedings of the, 317. 
Chemistry: —on_perhydrosulphocyanic 
acid, 52; decomposition of sulphocy- 
anide of potassium by chlorine in the 
presence of water, 53; dimorphism of 
sulphur, 54; analysis of the black earth 
of central Russia, 71; acetate of soda 
with nine atoms of water, 74 ; solubility 
of arsenious in nitric acid, 7b.; action of 
chlorides and air on mercury, 75; on 
equivalents, 76 ; sanguinarina, 77; ac- 
tion of iodine on silvyered plates, 94; 
action of light on solutions of ferroses- 
quicyanuret of potassium, 171; on ka- 
kodylic acid and the sulphurets of ka- 
kodyle, 180; analyses and descriptions 
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