INDEX. 



phenyl series, 275 ; No. XIV. diagno- 

 sis of diamines, 278 ; No. XV. mon- 

 acid polyamines, 281 ; No. XVI. tri- 

 atomic ammonias, 413, 446 ; No. 

 XVII. mixed triammonias containing 

 monatomic and diatomic radicals, 420, 

 446; No. XVIII. tetrammonium- 

 compounds, 423, 446 ; No. XIX. aro- 

 matic diamines, 518. 



Hofmann (A. W.), researches on the 

 phosphorus-bases : No. XIII. sulphu- 

 retted derivatives of triethylphosphine, 

 286 ; No. XIV. action of triethylphos- 

 phine on the substitution-compounds 

 of marsh-gas, 290. 



, researches on the arsenic bases, 62. 



, contributions towards the history 



of the monamines : No. IV. separa- 

 tion of the ethyl-bases, 66 ; No. V. 

 action of chloracetic ether on triethyl- 

 amine and triethylphosphine, 525. 



Holyhead, experiments made at, on the 

 transit-velocity of waves through rock 

 formations, 352. 



Human body and internal organs, tables 

 of the weights of, in the sane and in- 

 sane of both sexes at various ages, 124. 



Indian arc, on the expediency of re-exa- 

 mining the southern portion of, 591. 



, report of committee on, 595. 



Invertebrata, homologies of the eye and 

 of its parts in the, 81. 



Iron and steel, on the magnetization of, 53 . 



Irritability, muscular, on the relations 

 between, and cadaveric rigidity and 

 putrefaction, 204. 



Joule (J. P.) on the surface-condensa- 

 tion of steam, 44. 



Kew declinometer, conclusions derived 



from the photographic records of 



1858-1861, 585. 

 Kew Observatory, magnetic disturbance 



recorded by photography at, 407. 

 Kirkman (T. P.) on the theory of the 



polyedra, 218. 



Larixinic acid, a crystalhzable volatile 

 principle found in the bark of the 

 larch-tree, 405. 



Lead-zinc alloys, 430. 



Leake (Lieut. -Col. W. M.), obituary 

 notice of, vii. 



Lennox (C. W.) on the bromide of car- 

 bon, 257. 



Light, influence of, on the ovum of the 

 frog, 532 ; on the tadpole, 535. 



, intensity of, reflected from or trans- 

 mitted through a pile of plates, 545. 



Lignites and clays of Bovey Tracey, 449. 



Linear indeterminate equations and con- 

 gruences, on systems of, 87. 



Liquid diffusion applied to analysis, 243. 



Liver, contributions to the physiology of 

 the, 90, 335. 



, influence of alkalies on, 90. 



Lobb (H.) on the cutaneous sensibility 

 of the hand and foot in different parts 

 of the surface, as tested by the con- 

 tinuous galvanic current, 356. 



Locke (J.), obituary notice of, ix. 



Lorenz (Prof.), physical, geological, and 

 botanical researches on the shores of 

 the Adriatic, 50. 



Lubbock (J.), notes on the generative 

 organs, and on the formation of the 

 egg in the Annulosa (Part I.), 117. 



Macaulay (Lord), obituary notice of, xi. 



Magnetic calms and earth-currents, on, 

 578. 



Magnetic declination, lunar-diurnal va- 

 riation of the, obtained from the Kew 

 photograms, 73. 



, law of disturbance and range 



of diurnal variation of, 298. 



dip, and force, at the Fiji 



Islands, in 1860 and 1861, determina- 

 tion of, 481. 



dip in London, on the secular 



change in, between the years 1821 and 

 1860, 144. 



disturbance, great, of Aug. 28 to 



Sept. 7, 1859, as recorded by photo- 

 graphy at Kew Observatory, 407. 



storms and earth-currents, on, 105. 



Mallet (J. W.) on the chemical and 

 physical conditions of the culture of 

 cotton, 340. 



Mallet (R.), account of experiments made 

 at Holyhead (North Wales) upon the 

 transit-velocity of waves through the 

 local rock formations, 352. 



Mammalia, development of striped mus- 

 cular fibre in, 513. 



Man, development of striped muscular 

 fibre in, 513. 



Mannite, action of hydriodic acid on, 447. 



Matteucci (C.), electro-physiological re- 

 searches (llth series) : on the secon- 

 dary electromotor power of nerves, and 

 its application to the explanation of 

 certain electro-physiological pheno- 

 mena, 384. 



Matthiessen (A.) on the electric conduct- 

 ing power of copper and its alloys, 126. 



on the influence of temperature on 



the electric conducting power of the 



