226 



SECTIONS.— INDEX OP SUBJECTS. 



Cobalt, ammonio-iodide of, Eer. J. B. 



Keade on, 1857, <6. 

 Coccosteus, Hugh Miller on the under jaw 



of the, 1850, 92. 

 Cocculus indicus of commerce, Dr. G. A. 



W.-Amott on the, 1834, 597. 

 Cochineal, on a simple volumetric process 



for the valuation of, by Prof. Penny, 



1855, 68. 

 Cochliodus, Prof. M'Coy on the mode of 



succession of the teeth in, 1852, 55. 

 Cocoa leaves, Prof. Johnston on the pro- 

 perties and composition of the, 1853, 



43- 

 Cocobce, or Arabian leprosy. Dr. Hancock 



on the disease called, 1837, 128. 

 Cod, on the structure of the otoliths of the, 



by Prof. Eedfern, 1859,174.. 

 /odeii 



Codeine and iodine. Dr. T. Anderson on a 

 compound of, 1850, 48. 



Coffee-roasting, E. Davison on, 1849, 115. 



Coke, J. Nasmyth on the diamond-like hard- 

 ness of the particles of, 1848, 57. 



Cold, Dr. Oslwrne on its effects on the body, 

 1835, 94. 



-, W. S. Ward on the production of, by 



mechanical means, 1852, 131. 



Coleoptera, myrmecophilous. Dr. J. A. Power 

 on the, 1858, 129. 



of Old Calabar, A. Murray on the, 



1855, 115. 



Coleopterous insects of Sutherland, J. Wil- 

 son on the, 1834, 615. 



Collidine, a new base, of the picoline series, 

 1854, 64. 



Collieries, W. P. Struv6 on the ventilation 

 of, with description of a new mine- venti- 

 lator, 1848, 120. 



at Workington, Eev. Prof. Sedgwick 



on an incursion of the sea into the, 1837, 



75- 



Collieries' Club of Darton, T. Wilson's ac- 

 count of the, 1838, 173. 



Colliery, Wallsend, on the evolution of gas 

 in, by G. Clarke, 1852, 124. 



Collimator for completing the adjustments 

 of reflecting telescopes, by Prof. G. J. 

 Stoney, 1856, 30. 



, fixed, G. B. Airy on a question of 

 probabilities which occurs in the use of a, 

 for the verification of the constancy of 

 position of an azimuth circle, 1850, i. 



Collision and impact, Prof. E. Hodgkinson 

 on, 1835, 107. 



Collodion, albuminized, W. S. Ward on, 



1856, 58. 



negatives, G. R. Berry on, 1854, 64. 



■ photographs, C. Pooley on engraving, 

 by means of fluoric acid gas, 1856, 58. 



. — - plates, albuminized, W. S. Ward on 

 the preservation of, 1857, 61. 



CoUyweston slates, Capt. L. L, B. Ibbetson 

 and J. Morris on the position of the, 

 1847, 127. 



Colmar's (T. de) arithmometer, or calcu- 

 lating machine, explanation of, 1854, i. 



Colonial Penny Postage, on the importance 



of a, by Mrs. Fison, 1858, 177. 

 Colour in fluor spar. Sir D. Brewster on a 



new phenomenon of, 1838, 10. 

 — , J. Smith on the chromoscope, to 



verify certain opinions as to the cause of, 



1860, 65. 



of hsematoxylin. Prof. Erdmann on 



the, 1842, 33. 



— — of lichens, on the, 1841, 53. 



, production of, and the theory of 



light, J. Smith on the, 1859, 22. 



, Sir D. Brewster on the cause of the 



increase of, by the inversion of the head, 

 1840, 7. 



Colour-blindness, Dr. J. H. Gladstone on, 

 1860, 12. 



— — , on the statistics of, by Prof. G. Wil- 

 son, 1859, 228. 



Coloured sectors, rapidly revolving, Prof. 

 Stevelly on the occasional distinct vision 

 of, 1850, 21. 



Colouring matter, Prof. Erdmann on hsema- 

 toxylin as a, 1842, 33. 



matter of the bile, Dr. Thudichum 



on the physiological relations of the, 1860, 

 147. 



matters of madder, J. Higgin on the, 



1848, 54. 



Colours, on a singular effect of the juxtaposi- 

 tion of, under particular circumstances, 

 by Prof. Wheatstone and Sir D. Brewster, 

 1844, 10. 



, on the binocular vision of surfaces of 



different, by Sir D. Brewster, 1855, 9. 



, Prof. Stevelly on an instrument for 



whirling cards with coloured sectors on 

 them to show the combination of, 1850, 

 21. 



— — , Dr. Gladstone on his own perception 

 of, 1860, 12. 



, compound, on the theory of, with 

 reference to mixtures of blue and yellow 

 Hght, by Prof. J. C. MaxweU, 1856, 12. 



, harmonious, in plants and the plu- 

 mage of birds. Rev. Prof. J. MKUosh on 

 the, 1854, 10 1. 



, homogeneous. Prof. Helmholtz on the 



mixture of, 1853, 5. 



in precious opal. Sir D. Brewster on 



the cause of the, 1844, 9. 



of liquids, R. W. Townsend on an in- 

 strument for exhibiting the, by trans- 

 mitted light, 1852, 20. 



of natural bodies. Sir D. Brewster on 



the, 1831-32, 547. 



of the spectrum, on the mixture of the, 



by Prof. J. C. Maxwell, 1859, 15. 



of the spectrum. Prof. J. C. Maxwell 



on an instrument for exhibiting any mix- 

 ture of the, 1860, 16. 



of the spectrum, Rev. Prof. Challis 



on some facts relating to the composition 

 of, 1834, 544. 



of thin plates (Newton's rings), Mr. R. 



Potter, jun. on the, 1831-32, 556. 



