INDEX. 



Acid, Hippuric, on the preparation of, 

 130. 



Acids. On some new voltaic arrange- 

 ments with chlorous and chromic 

 acids, with an account of a battery 

 yielding electricity of great inten- 

 sity, in which the negative as well 

 as the positive element is zinc, 223. 



Action of the dry gases on organic 

 colouring matters, and its relation 

 to the theory of bleaching, 183. 



Aden, on the fluor-spar of, 159. 



Adie (John) on the use of metallic 

 reflectors for sextants, and on the 

 determination of the errors arising 

 from non-parallelism in the mirrors 

 and sun shades of reflecting instru- 

 ments, 22. 



Note on the refractive and 



dispersive powers of the h»imours of 

 the eye, determined by experiment, 

 232. 



Adjustments of the equatorial instru- 

 ment, 164. 



Aflinity, vital. See Vital AflSnity. 



Air-pump in England, on the early 

 history of the, 207. 



Alban Hills, near Rome, on the vol- 

 canic formations of the, 259. 



Algebraical symbolism, on, 156. 



Alison (W. P.) M.U., on the prin- 

 ciple of vital aflinity, as illustrated 

 by recent observations in organic 

 chemistry, 83, 114, 115, 117. 



Alkalies, phosphates of the organic, 

 note on the constitution of the, 148. 



America, on the ante-Columbian dis- 

 covery of, 291. 



American Electric-Observing Clocks. 

 See Electric-Observing Clocks, 309. 



Anderson (Thomas) M.D., on the 

 constitution and properties of pico- 

 line, a new organic base from coal 

 tar, 94. 



Extracts from a letter of 



Baron Berzelius, 108. 

 VOL. II. 



Anderson (Thomas) 31. D., on certain 

 products of decomposition of the fixed 

 oils in contact with sulphur, 134. 



Note on the constitution of 



the phosphates of the organic alka- 

 lies, 148. 



on the colouring matter of the 



Morinda citrifolia, 179. 



on a new species of manna 



from New South Wales, 239. 



on the constitution of codeine 



and its products of decomposition, 

 330. 

 Animal economy, on the structural 

 relation of oil and albumen in the, 

 136. 



matter, on a fatty substance 



derived from, 129. 



substances, on the products of 



the destructive distUlation of, 186. 



and vegetable matter, experi- 

 ments and investigations as to the 

 influence exerted over some minerals 

 by, 59. 



Ante-Columbian discovery of America, 



on the, 291. 

 Anthracite of the Calton Hill, on the, 



175. 

 ■ analysis of the, 300. 



Arsenic in the human stomach, on the 



presumed long-continued presence 



of, 110. 

 Arthur's Seat, remarks on certain 



grooved surfaces of rock on, 67. 



on the composition of the 



bones from, 88. 



on the existence of fluorine 



in the bones from, 88. 



notice of polished and striated 



rocks recently discovered on, and 

 in some other places near Edin- 

 burgh, 95. 



verbal notice on the geology 



of, 98. 



silicious stalactites on, verbal 



notice of, 216. 



2 H 



