SECTIONS. — INDEX OF SUBJECTS. 



291 



Physical and vital forces, G-. Newport on the 



reciprocal relation of the, 1850, 133. 

 Physics, Dr. Eeidon the study of, 1835, 126. 

 , on a general mechanical theory of, by 



J. S. S. Glennie, 1859, 58. 

 , on the philosophy of, by Eer. Dr. J. 



G. Macvicar, 1859, 59. 

 as a branch of the science of motion. 



J. S. S. aiennie on, 1860, 56. 

 Physiological action of bromine and its 



compounds. Dr. Glover on the, 1840, 157. 

 actions of the yellow and red prussiates, 



H. Letheby on the difference in the, 1846, 



41. 

 condition of the blood in erysipelas, 



J. Goodman on the, 1847, 94. 

 properties of methyle, ethyle, and 



amyle, Dr. J. Turnbull on the, 1854, 76. 

 researches, S. D. Broughton on the 



progress of, 1831-32, 598. 

 Physiology of cells in relation to conscious- 

 ness and adaptive movements, Dr. Laycock 



on the, 1854, no. 

 of the encephalon, Dr. W. B. Carpenter 



on the, 1846, 92. 

 of fascination, J. Braid on the, 1855, 



120. 

 of the spermatozoa. Prof. KoUiker on 



the, 1855, 125. 

 , animal and vegetable, Mr. Bartlett's 



comparative view of, 1841, 77. 



, vegetable, Mr. Niven on, 1837, 102. 



, vegetable. Dr. Daubeny's experiments 



on, 1847, 82. 

 , electro-, researches in, by Prof. Mat- 



teucci, 1846, 28. 

 PhysophoridaB, Prof. Huxley on the,1851,78. 

 Phytelephas macrocarpa (vegetable ivory 



palm), Dr. Lankester on the, 1845, 70. 

 macrocarpa (vegetable ivory palm), on 



some of the uses to which the nuts are 



applied, by Dr. G. Bennett, 1859, 130. 

 Phytocrinus identical with Comatula, 1840, 



105. 

 Picamar, a product of destructive distilla- 

 tion, Dr. Keichenbach on, 1834, 591. 

 Picture, on the angular measurement of the, 



in painting, by H. E. Twining, 1859, 64. 

 Pigment, Dr. Traill on an antimonial com- 

 pound applicable as a, 1837, 58. 

 — — , blue, E. Phillips on a, 1838, 60. 

 Pigments, on the composition of two mineral 



substances (Indian red and raw sienna) 



employed as, by Dr. T. H. Eowney, 1855, 



70. 

 Pigotite (mineral) of the caves of Cornwall, 



Prof. J. F. W. Johnston on, 1853, 52. 

 Pile, Magnus's monothermic, Prof Tyndall 



on an experiment in thermo-electricity 



with, 1851, 18. 

 , photochemical, new, M. Niepce on a, 



1859, 260. 

 with sulphate of lead, M. E. Becquerel 



on a, 1860, 59. 

 Pile-driving, Dr. E. Greene on Nasmyth's 



steam-hammer for, 1845, 92. 



Piles : on the limit of weight which may 



safely be laid on a pile driven into the 



ground, by Eev. Dr. Scoresby, 1854, 



163. 

 Pillars, sculptured, of Scotland, J. Stuart on 



the, 1859, 197. 

 Pilularia globulifera, Dr. G. Lloyd on the, 



1836, 102. 

 Pine-tribe, J. Nuttall on the management 



of the, 1836, 104. 

 Pines, European, Capt. Widdrington on 



some species of, 1841, 76. 



of Spain, Capt. Widdrington on the, 



1847, 89. 



and firs, Eev. Prof. M'Cosh on the 



morphology of, 1854, 99. 



Pinguicula, Dr. Lankester on the epidermal 



appendages of the genus, 1850, 113. 

 . Pinions and wheels, toothed, E. Eoberts on 



the correct sizing of, 1849, 127. 

 Pinus and Abies, Capt. Cook on the genera, 



1838,117. 

 austriaca (nigrescens) and P. pumilio, 



Capt. Widdrington on, 1841, 76. 

 Pit-sinking, improved working barrel for, 



1840, 208. 

 Pit-work, J. S. Enys on the connexiou 



which exists between improvements in, 



and the duty of steam-engines in Corn- 

 wall, 1841, 103. 

 Pittakall, a product of destructive distilla- 

 tion. Dr. Eeichenbach on, 1834, 591. 

 Placodus, teeth of the, discovered in the 



triassic drift, in the neighbourhood of 



Frome, by C. Moore, 1860, 88. 

 Placoids of the lower old red sandstone of 



Scotland, Hugh Miller on the, 1850, 91. 

 Plague and quarantine, Dr. Bowring on, 



1838, 120. 

 Plana's (M.) work on the theory of the 



moon, 1836, 13. 

 Planaria, J. G. DalyeU on the propagation 



of, 1834, 602. 

 Planes or surfaces on metals, J, Whitworth 



on producing, 1840, 192. 

 Planet, new (either Daphne or the 4:6th 



Asteroid), Mr. Pogson's discovery of a, 



1857, 31. 

 Planets and comets. Sir J. W. Lubbock on 



the calculation of the perturbations of, 



1847,9- 

 , Prof J. C. Adams on the application 



of graphical methods to the determination 



of the perturbations of, 1849, i. 

 , on the perihelia and ascending nodes 



of the, by E. J. Cooper, 1858, 27. 

 , J. S. S. Glennie on a general law of 



rotation applied to the, 1860, 58. 

 Planetary and lunar observations made at 



Greenwich, G. B. Airy on the state of the 



reductions of the, 1844, 2. 



orbits, on the inclination of the, by 



J. P. Hennessy, 1859, 34. 



perturbations, Eev. W. G. Penny on, 



1857, 27. 



Plant, on the correspondence between the 

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