531 



INDEX TO VOL. VII. 



Acids, on a new series of sulphu- 

 retted, 518. 



Acoustic phaenomena produced by the 

 motion of liquids through short 

 efflux tu>ies, on some, 186. 



Adulteration of oils, on some methods 

 of detecting the, 101. 



Alkalies, on the action of, on rocks, 

 100. 



Aluminium, on the electro-deposition 

 of, 227 ; researches on, and its 

 compounds, 2.'i0. 



Ammonia, on the supposed conver- 

 sion of, into nitric acid iu the ani- 

 mal organism, 381. 



Amphibole, analyses of, 303. 



Astronomical observations, account of 

 some, G6. 



Barlow (Rev. J.) on silica and some 

 of its ap])lications to the arts, 3/5. 



Ban-}' (Dr. M.j on the penetration of 

 the spermatozoon into the interior 

 of the ovum, 346. 



Becquerel (M.) on a new electio-mag- 

 nctic engine invented by M. Marie 

 Davy, 489. 



Beer, on the aciflity, sweetness and 

 strength of, 143. 



Benzoic acid, 27- 



Blood, on the changes produced in 

 tlic, by the administration of cod- 

 liver oil and cocoa-nut oil, 521. 



Blo^vpipe flame, on the electricity of 

 the, 47. 



Boole (Prof. G.J on the solution of a 

 (question in the theory of proljal)ili- 

 tie.s, 2!> ; on the theory of chances, 

 46.';. 



Booth (Rev. J.) on a particular case 

 of elliptic integrals whose parame- 

 ters are imaginai-y, 213; on a pro- 

 perty of numbers, 521. 



Bouis (J.) on the products of the 

 decomposition of rocks under the 

 influence of sulphuj;ous thermal 

 waters, 68. 



Brewster (Sir D.) on the date of the 

 discovery of the optical properties 

 of chrysammate of potash, 171 ; on 

 barometrical, thermometrical, and 

 hvgrometrical clocks, 358. 



Brodie (B. C.) on the melting-point 

 and transformations of sulphur, 439. 



BuS" (Prof. H.) on the electricity of 

 plants, 122. 



Caffeine, on the presence of, in the 

 leaves of the coffee-plant, 21. 



Callan (Rev. N. J.) on the results of 

 a series of experiments on the de- 

 composition of water by the gal- 

 vanic battery, with a view to obtain 

 a constant and briUiant lime light, 

 73. 



Calvert (F. C.) on the adulteration of 

 oils, 101. 



Cambridge Philosophical Societj', pro- 

 ceedings of the, 442. 



Carbolic acid, on some compounds of, 

 370. 



Cartesian barometer, remarks on the, 

 410. 



Cay ley (A.) on the theory of groups, 

 as depending on the symbolic equa- 

 tion d"=l, 40, 408 ; on the homo- 

 graphic transformation of a surface 

 of the second order into itself, 208 ; 

 on the porism of the in-and-cir- 

 cumscribed polygon, 339. 



Challis (Prof.) on two new theorems 

 relating to the moon's orbit, 278, 

 429. 



Chances, on the theory of, 465. 



Chemical actions, on the force which 

 governs, 528. 



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