SECTIONS. INDEX OF SUBJECTS. 



277 



Methyle, on the physiological properties of, 



1854, 76, 

 Metra, H. Mackworth on the, 1855, 207. 

 Metropolitan Society's dwellings for the 

 poor, in St. Pancras, statistical account 

 of the, by Col. Sykes, 1849, 108. 

 Mica, Prof. J. D. Forbes on its use in pola- 

 rizing light, 1839, 6. 



• , crystals of tourmaline, titanium, and 



quartz within, 1853, 3. 



, on the existence of Acari in, by Sir 



D. Brewster, 1855, 9. 

 Mica-schist, on the microscopical structure 



of, by H. C. Sorby, 1856, 78. 

 • and gneiss, J. B. Jukes on the altera- 

 tion of clay-slate and gritstone into, by 

 the granite of Wicklow, 1856, 68. 

 Mica -slates and granite of Killiney Hill, 

 Dublin, G-. V. Du Noyer on the junction 

 of the, 1857, 84. 

 Microlepidcpterous larvae, H. T. Stainton 

 on some peculiar forms among the, 1860, 

 122. 

 Micrometer, ocular crystal, N. Pogson on 



the, 1858, 19, 

 Micrometric measurement, on the import- 

 ance of introducing a new and uniform 

 standard of, by Prof. Lyons, 1857, 115. 

 Microscope, achromatic, A. Pritchard's, 1835, 



112. 

 , C. Brooke on a new mode of illumi- 

 nating opake objects under the highest 

 powers of the, 1851, 7. 



• , C. Brooke on a new arrangement for 



facilitating the dissection and drawing of 

 objects placed under the, 1851, 7. 



■ , compound, method of applying it to 



the sides or top of aquaria less than two 

 feet in height, 1857, 106. 

 , compound, on the application of pho- 

 tography to the, by Prof. Wyville Thom- 

 son, 1850, 126. 



for measuring the refractive power of 



minute bodies, A.Bryson on a, 1840, 87. 



■ , new form of. Sir D. Brewster on a, 



1860, 8. 



' , Newton's reflecting, description of 



R. Potter's new construction of, 1831-32, 



71. 



• , oxyhydrogen, J. T, Goddard on its use 



in exhibiting the phenomena of polariza- 

 tion, 1839, 8. 



— — , polarizing. Sir D. Brewster on an im- 

 provement in the, 18-10, 10. 



Microscopes, notice of several, 1858, 143. 



, on the centering of the lenses of the 



compound object-glasses of, by Sir D. 

 Brewster, 1857, 4. 



Microscopic objects, Dr. W. B Carpenter on 

 photography applied to. 1847, 48. 



• objects in fluid, C. Brooke on an easy 



method of making thin glass cells for 

 mounting, 1854, 47. 



• objects in natural history. Dr. Lan- 



kester on photographic plates and illus- 

 trations of, 1853, 70. 



Microscopic objects. Sir D. Brewster on a 

 method of illuminating, 1840, 9. 



structure of certain basaltic and meta- 



morphic rocks, Prof. T. Andrews on the, 

 1852, 34. 



Microscopical discoveries. Prof. Ehrenberg's 

 notice of, 1838, 116. 



Microtherium, Prof. Owen on the genus, 

 1856, 72. 



Middlesex Sessions, on the degree of educa- 

 tion of persons tried at the, by Dr. J. 

 Bateman, 1858, 168. 



Middletonite, Prof. Johnston on, 1838, 60. 



Migration of birds, Dr. C. CoUingwood on 

 the, 1858, 121. 



Mildew and rust, produced by the same 

 fungus, 1841, 73. 



Milk, Dr. Gr. Wilson on the presence of fluo- 

 rine in, 1850, 67. 



, human, G. D. Gibb on living animal- 

 cules in, 1860, 131. 



, new process of preserving, 1859, 74. 



— — , on the preservation of, 1854, 74. 



of the cow-tree, 1837, 58. 



Millstone-grit of North Staffordshire, as a 

 substitute for flint for use in earthenware 

 manufacture, 1839, 77. 



Mind and vitality, Dr. Fowler on the cor- 

 relation of, with the physical forces, 1851, 

 83. 



, on the state of the, during sleep, by 



Dr. E. Fowler, 1852, 80. 



Mineral (Nemalite), analysis of the American^ 

 by Prof. Connell, 1846,. 39. 



— — , a new. Prof. Connell on sulphate- 

 chloride of copper, 1847, 49. 



basin of South Wales, on the great 



anticlinal line of the, by W. P. Struve, 

 1848, 75. 



bodies, on an instrument for distin- 

 guishing, 1831-32, 72. 



charcoal. Prof. Harkness on, 1854, 86. 



map of Derbyshire, E. Hall on a, 1837, 



91. 

 produce of Yorkshire, R. Hunt on the, 



1858, 181. 

 productions of Great Britain and the 



rest of Europe, comparative value of the, 



1836, 144. 

 ■ species, Sir D. Brewster on the value 



of optical characters in the discrimination 



of, 1834, 575. 



springs of Yorkshire, W. West on the, 



1844, 105. 



substances in a molten state, on some 



phenomena in connexion with, by J. Nas« 

 myth, 1857, 26. 



— — substances employed as pigments, on 

 the composition of two, by Dr. T. H, 

 Eowney, 1855, 70. 



substances, Rev. W. V. Harcourt oa 



the effects of long-continued heat on, 

 1834, 576. 



veins and the non-metalliferous joints 



in rocks, Prof. Phillips on the relation* 

 of, 1834, 654. 



