548 



INDEX TO VOL. IV. 



ADIE (R.) on the unequal heating 

 effect of a galvanic current while 

 entering and emerging from a con- 

 ductor, 224, 380; on the relation 

 of magnetism and diamagnetism to 

 the colour of bodies, 451. 



Air, on the thermal effects experienced 

 by, in rushing through small aper- 

 tures, 481. 



Andrews (Dr. T.) on a new aspirator, 

 330 ; on the heat of chemical com- 

 bination, 497. 



Anthvopic acid, on the properties and 

 composition of, 75. 



Antimonic acid, on the salts of, 398. 



xYrsenic, new method of detecting, 

 in cases of poisoning, 361 . 



Artesian wells near Silsoe in Bedford- 

 shire, remarks on, 102. 



Aspartic acid, researches on, 275. 



Aspirator, description of a new, 330. 



Atmosphere : a Philosophical Work, 

 reviewed, 228; on the electrical 

 conchtion of the, 126 ; on the causes 

 of the excess of the mean tempera- 

 ture of rivers above that of the, 

 355 ; on the colours of the, 416. 



Atmospheric electricity, researches on, 

 126,249. 



Aurora borealis, report on observa- 

 tions of the, 59 ; on the non-polar- 

 ization of the, 452. 



Barral (M.) on the chemical compo- 

 sition of the rain-water collected at 

 the Obsei-vatory at Paris, 396. 



Bany (Dr. M.) on the spiral structure 

 of muscle, with observations on the 

 muscularity of cilia, 81, 177- 



Bashforth (Rev. J.) on the conducting 

 powers of wu-es for voltaic electri- 

 city, 120. 



Bassic acid and its salts, 21. 



Bat's wing, on the rythmical contrac- 

 tility of the veins of the, 385. 



Berberine, on the occiurence of, in 

 the Columba wood of Ceylon, 99. 



Berlin (M.) on the supposed new me- 

 tal donarium, 1.56. 



Biot (M.), report on M. Pasteur's re- 

 searches on aspartic and mahc acids, 

 275. 



Bois-Reymond's (E. du) discoveries 

 in animal electricity, abstract of, 

 reviewed, 226. 



Bomerang, observations on the, 79. 



Bone, on the structure and develop- 

 ment of, 467. 



Books, new : — Smyth's iEdes Hart- 

 wellianae, 69; M. du Bois-Rey- 

 mond's Discoveries in Animal Elec- 

 tricity, 226 ; Woodhead's Atmo- 

 sphere, 228 ; Farren's Life Contin- 

 gency Tables, 535 ; Snooke's Astro- 

 nomical Tables for the Calculation 

 of Eclipses, 537. 



Brewster's (Su* D.) new analysis of 

 solar hght, observations on, 401. 



Bromopyromeconic acid, on the pro- 

 perties and composition of, 167. 



Brougham's (Lord) experiments and 

 observations on the properties of 

 hght, 1, 230. 



Brown (J. V.) on some salts and pro- 

 ducts of decomposition of pyrome- 

 conie acid, 161. 



Brunner (C.) on the preparation of 

 pure silver from the chloride, 78. 



Bunt (T. G.) on pendulum experi- 

 ments, 272. 



Carbonic acid, new apparatus for the 

 determination of, 317- 



Cayley (A.) on Steiner's extension of 

 Malfatti's problem, 465 ; on a the- 

 orem relating to the products of 

 sums of squares, 515. 



Challis (Rev. J.) on the principles of 

 hydrodynamics, 438. 



Chapman (Prof. E. J.) on Artesian 

 wells near Silsoe in Bedfordshire, 

 102. 



Chemical combination, researches on 

 the heat of, 3/0,497. 



