476 



Index. 



Children, male and female, proportion of, 

 74. 



Chilton, Mr. analysis of the Blaryland 

 aerolite, 149. 



Climate, on, with regard to horticulture, 

 114. 



Cockles, live, on the discovery of, in a 

 peat moss distant from the sea, 464. 



Collimator, floating, on the application of, 

 to the Dublin circle, 450. 



Combustion of compressed gas, on the, 

 111. 



Compton, Lord, on the discovery of gra- 

 nite with green felspar in the excava- 

 tions atTivoli, 14'2. 



fk)oper, Mr. description of a new species 

 of grosbeak, 134. 



.Crichton, Sir A. on the Taunus moun- 

 tains in Nassau, 301. 



Curves, on a new application of the me- 

 thod of parameters to the determination 

 ,of, 322. 



Dalton, ]Mr. on the constitution of the 

 atmosphere, 289. 



Daniell, IMr. on climate with regard to 

 horticulture, 114— on the barometer, 

 223. 



Davies, IMr. on the combustion of com- 

 pressed gas. 111. 



Davy, Dr. on the poison of the common 

 toad, 137— on the heart of animals be- 

 longing to the genus rana, 1 38. 



. Sir H. further researches on the 



preservation of metals by electrochemi- 

 cal means, 248. 



Deer, fossil, of Ireland, 305. 



De la Beche, JMr. on the chalk and sands 

 beneath it in the vicinity of Lyme Re- 

 gis, 143 — on traces of a submarine 

 forest at Charniouth, Dorset, 143 — on 

 the geology of Jamaica, 230. 



Decomposition, reciprocal, of bodies, on 

 the, 279. 



Distribution of land and water, 469. 



Dioptase, analysis of, 305. 



Drummond, Lieut, on new means of con- 

 necting different stations in geological 

 operations, 451. 



Dublin circle, on the application of the 

 floating collimator to, 450. 



Duntze, Mr. method of browning iron, 

 238. 



Dyeing of scarlet, on, 401. 



E. 



Edtngtonite, on the optical structure of, 

 301. 



Eggs, on the change of weight of, during 

 incubation, 72. 



Elasticity of ice, on the, 450. 



Electricity, atmospheric, on, 75. 



Electrochemistry, on the preservaUon of 

 metals by, 248. 



Embalming, on the art of, 215. 



Emmett, Rev. BIr. on finding the longi- 

 tude at sea, 24. 



Ergot, on the origin of, 14. 



F. 



Faraday, Jlr. on new compounds of car. 

 bon and hydrogen, and on certain otlier 

 products obtained during the decompo- 

 sition of oil by heat, 44, 95 — on the 

 non-production of vapour in certain 

 cases in which it had been supposed to 

 exist, 391 — on the action of sulphuric 

 acid upon napthaline, 227 . 



Felspar, green, on the granite containing 

 it found in the excavations at Tivoli, 

 142. 



Fermat, theorem of, extension of, 82. 



Fitton, Dr. account of some geological 

 specimens collected by Capt. King, on 

 the coasts of Australia, 1 39. 



Flame of a candle, on the, 176. 



Floating collimator, on the application of, 

 to the Dublin circle, 450. 



Fluids, on the phosphorescence of, 303. 



Fossil timber, on the coast of Norfolk, on 

 the re-appearance of, 1 42. 



■ deer of Ireland, 305. 



G. 



Galway and Mayo, account of a mineral- 

 ogical excursion into, 27 1. 



Gas, compressed, on the combustion of, 

 111. 



■ orange, production of, from a mix- 

 ture of fluor spar and chromate of lead, 

 14G. 



Gay-Lussac, M. on the reciprocal decom- 

 position of bodies, 279. 



Geology of Jamaica, on the, 230. 



George, IMr. experiments on the colouring 

 matter of lac, &c. 401. 



Germany, description of process of amal- 

 gamation in, 196. 



Giddy, Mr. meteorological journal kept at 

 Penzance, 472. 



Giesecke, Sir C. L. account of a mineralo- 

 gical excursion to the counties of Gal. 

 way and Mayo, 27 1 . 



Gold medals presented to Mr. Herschelj 

 Mr. South, and M.Struve, 454. 



