544 



INDEX. 



Temperature, ou an instrument for 

 registering changes of, 453. 



Terebenthilic acid, 184. 



Thermal effects of fluids in motion, on 

 the, 2S6. 



Thermo-lysimetre, description of the, 

 304. 



Thomson (Prof. Wm.) on peristaltic 

 induction of electric currents, 135 ; 

 on the magnetic aud the helicoidal 

 rotatory effectsof transparent bodies 

 onpolarized light, 1.98; on the ther- 

 mal effects of fluids in motion, 286. 



(Prof. Wyville) on some species 



of Acidaspis, 211. 



Tissier (Ch.) ou the manufacture of 

 aluminium, 2/2. 



Tornadoes, on the spirality of motion 

 in, 223. 



Trees, on the theory of the analytical 

 forms called, 172. 



Triangle, on the problem of the in- 

 and-circumscribed, 190, 2(3/. 



Triphenylamine and salts, on, 183. 



Trireme, on the structure of the Atlie- 

 nian, 216. 



Troost (M.) on lithium and its com- 

 pounds, 121. 



Tropifer Icevis, description of, 465. 



Tungsten, and some of its compounds, 

 on, 122. 



Tyndall (Prof.) (m foam and hail, 353 j 

 on the sounds produced by the com- 

 bustion of gases in tubes, 4/3. 



Tyrite, chemical examination of, 91. 



Uranium, on a method of obtaining 

 pure metallic, 123. 



Urari and strychnia, on the action of, 

 on the animal economy, 382. 



Vapours, on the electrical state of, 296. 



Vegetation, on the influence of nitrates 

 on, 498. 



Vertebrate skeleton, on the relations 

 of the, to the nervous system, 218. 



Ville (G.) on the influence of nitrates 

 on vegetation, 500. 



Vincent (C. W.) on certain double 

 compounds of ammonia and chro- 

 mium, 191. 



Vision, on the organ of, 517. 



Volcanic eruption of Mauna Loa, on 

 the, 145. 



Waller (Dr. A.) on the organ of vision, 

 517. 



Water of the St. Lawrence and Ottavra 

 rivers, on the chemical composition 

 of, 239 ; of the Dead Sea, on the 

 composition of the, 504. 



Waters from the Turko- Persian fron- 

 tier, on the analysis of, 147. 



Waterston (G.) on a new form of the 

 stereoscope, 104. 



Weald denudation, on the, 33, 109. 



Weld (F. A.) on the volcanic eruption 

 of Mauna Loa in 1855-56, 145. 



Welsh (J.) on the construction of a 

 standard barometer, 458. 



Whewell(Prof.)on the Platonic theory 

 of ideas, 217. 



Whirlwinds, on the spirality of motion 

 in, 223. 



Williams (G. G.) on some of the pro- 

 ducts of the distillation of boghead 

 coal, 134. 



Wilson (Prof. G.) on M. J. Nickles' 

 claim to be the discoverer of fluorine 

 in the blood, 162. 



Witt (H. M.) on the temperature of 

 foam, 467. 



Wohler (M.) on boron, 273. 



Wolley (J.) on an ice-carried boulder 

 at liorgholm, 147. 



Woods (T.) on the existence of mul- 

 tiple proportion in the quantities of 

 heat produced by the chemical com- 

 bination of oxygen and other bodies, 

 456. 



Zodiacal light, on the, 220. 



END OF THE THIRTEENTH VOLUME. 



PRINTED BY TAYLOR AND FRANCIS, 

 RED I.IOX COURT, FLEET STREET. 



