INDEX. 



60'; 



Sirius, on the parallax of, 148. 



Skutteroder mine, on two Norwegian 

 cobalt ores from the, 482. 



Smee (A.) on the galvanic properties of 

 metals, and on a new chemi co-mecha- 

 nical battery 315; on the galvanic pro- 

 perties of the elementary bodies, and on 

 the amalgamation of zinc, 422; on the 

 production of electrotypes, 530 ; on the 

 structure of normal and adventitious 

 bone, 598. 



Smith (J. D.) on the supposed formation 

 of inorganic elements during fermenta- 

 tion, 251. 



Societies, Learned : — Royal Astronomical, 

 72, 148; Linnean, 76; Geological, 144; 

 Royal Irish Academy, 224 ; Royal, 329, 

 526, 590; Royal Institution, 338, 447. 



Solar spectrum and photography, 239. 



Solar spectrum, on the chemical action of 

 the, 267. 



Solly (Ed., Jun.) on the precipitation of 

 copper by voltaic electricity, 309. 



Spectrum, solar, on the chemical action of 

 the rays of the, 331. 



Steam engine, on the, 562 ; extracts from 

 M. Pambour's work, 563. 



Steam, on the pressure of, 510; experi- 

 ments of M. Arago and Dulong, 510; 

 of Mr. Philip Taylor, 510. 



Stearopten of oil of pepperment, on the 

 compounds derived from the, 418. 



Strata of Runton, freshwater, 363. 



Substitutions, on the theory of, 152; on 

 the law of, and the theory of chemical 

 types, 322, 442 j theory of, pond gas, 339. 



Sullivan (Lieut.) of H. M. S. " Beagle" 

 to the Editor of " Ann. of Electricity," 

 on the protection afforded by a con- 

 tinuous conductor, 408. 



Sulphate of the perox ide of iron, decomposi- 

 tion of the neutral, by boiling its solu- 

 tion, 130; of m.agnesia, 236. 



Sulphuric acid, decomposition of salicin 

 by, 219. 



Summer of 1839, on the wet, 600. 



Sun, light of the, experiments made in the 

 south of Virginia on the, 81. 



Swansea, on meteorological phaenomena 

 observed at, 87. 



Sylvester (Prof.) on derivation of co-exis- 

 tence ; being the theory of simultaneous 

 simple homogeneous equations, 37 ; on 

 determining by mere inspection the de- 

 rivatives from two equations of any de- 

 gree, 132. 



Taylor (Philip) on the pressure of steam, 

 510. 



Telescope, on an apparent inversion of 



perspective in viewing objects with a, 

 506. 



Temperature of the sea, table of results on 

 the, 177. 



Thomas (S. H.), meteorological observa- 

 tions made at Alten in Finmarken, 596. 



Tovey (J.) on the undulatory theory of 

 light, absorption of light, 181. 



Trimmingham, protuberances of chalk 

 near, 355. 



Undulatory theory of light, on the, 



Urine, diabetic blood and, 238. 



Uterus, gravid, on the nerves of the, 

 590. 



Valz (M.), letter from, to Sir J. F. W. 

 Herschel, Bart, on the variation of the 

 apparent diameter of Encke's comet, 

 150. 



Vapours, on the heat of, 434, 



Virginia, south of, on some experiments 

 made in the, on the light of the sun, 

 81. 



Vision, single, with two eyes, 599. 



Voltaic combinations, on the employment 

 of carbon in, 35 ; electricity, on the pre- 

 cipitation of copper by, 309 ; pile, on 

 the source of power in the, 329, 336 ; on 

 voltaic reaction, 338 ; disruptive dis- 

 charge, on some phaenomena of the, 

 478 ; on obtaining the voltaic spark be- 

 fore the circuit is completed, 594. 



Voltameter, gas obtained by the, 36. 



Walker (G.) on the moving the knight 

 over every square of the chess board al- 

 ternately, 498 ; list of works and writers 

 referred to, 500. 



Warington (R.) on the coloured films pro- 

 duced by electro-chemical agency and 

 by heat, 52. 



Weaver (Th.) on the mineral structure of 

 the south of Ireland, Devon, and Corn- 

 wall, Belgium, the Eifel, &c., 276, 388, 

 471. 



Wenlock and Eifel limestones, table of 

 classes and orders of fossils in the, with 

 the number of species distinct and com- 

 mon in each, 394 ; genera and species 

 common to the, 394 ; genera common to 

 both limestones, 395; genera and species 

 distinct in both limestones, 397. 



Weybourne, crag near, 370 ; shells obtain- 

 ed from the, 307. 



Williams (Rev. D.) on the geology of 

 Devon and Cornwall, 59. 



Zeta-ic products of differences, general 

 properties of, 39. 



Zinc and inactive iron, galvanic series 

 formed of, 1 15. 



Zinc, precipitation of iron by, 235. 



END OF THE SIXTEENTH VOLUME. 



