172 



SECTIONS. INDEX OP AUTHORS. 



Portkr" (H. J.) on the monts de pi^t^ of 

 Rome, Paris, and other cities on the con- 

 tinent, 1841, 91. 



on the loan funds in Ireland, 1841, 



93 ; 1842, 98. 



on the monts de pi^t^ in Ireland, 



1842, 98. 



on the census of Sydney, New South 



Wales, 1857, 167. 



* , census of the province of Canterbury, 



New Zealand, 1857, 167. 



on the best plan of cottage for agricul- 

 tural labourers, 1860, 194. 



PoRTLOCK (General) on the new red sand- 

 stone of England and Ireland, 1837, 88. 



on the Silurian rocks in the co. of 



Tyrone, 1838, 84. 



on the geology of Corfu, 1843, 57. 



, reply to remarks made by Prof. E. 



Forbes on the results of his dredging at 



Corfu, 1845, 65. 

 * on the natural history of Corfu, 1846, 



84. 



on apparent changes in the level of 



the coast near Portsmouth, 1848, 72. 



on sounds emitted by moUusca, 1848, 



80. 



on the manner in which trap or igne- 

 ous rocks intrude into the sandstone and 

 conglomerate near North Berwick, 1850, 



lOI. 



, notice of fossils collected by Mr. R. 



Rubidge at Sunday River, Cape frontier, 



1851, 68. 



, notice of Capt. Ward's researches into 



the application of the voltaic battery to 



the ignition of gunpowder, 1854, 18. 

 Potter (Prof. R.) on a new construction of 



Sir Isaac Newton's reflecting microscope, 



1831-^2, 71. 

 on a theory of M. Fresnel concerning 



the reflexion of light from the surfaces of 



bodies, 1831^32, 74. 



on electrical phenomena in vacuo, 



1831-32, 84. 



■ on the modification of the interference 



of two pencils of homogeneous light, 

 1831-32, 555. 



on an instrument for photometry by 



comparison, and on some applications of 

 it to optical phenomena, 1831-32, 556. 



on the power of glass of antimony to 



reflect light, 1833, 377. 



on a phenomenon in the interference 



of Ught, 1833, 378. 



on an arch of the aurora borealis, 1833, 



401. 



Powell (Rev. Prof. B.) on the dispersive 

 powers of the media of the eye, in con- 

 nexion with its achromatism, 18133, 374; 

 corrigendum, 466. 



on the achromatism of the eye, 1834, 



548- 



on the theory of the dispersion of 



light by the hypothesis of undulations, 

 1834, 549. 



Powell (Rev. Prof. B.) on the repulsion 

 excited between surfaces at minute dis- 

 tances by the action of heat, 1834, 



549- 



, lecture on the phenomena of pris- 

 matic dispersion in relation to the undu- 

 latory theory of light, 1835, 5. 



on certain points connected with dis- 

 coveries relative to radiant heat, 1835, 9. 



* on the impermeability of water to 



radiant heat, 1836, 36. 



on Von Wrede's explanation of the 



absorption of light, 1837, 16. 



on the dispersion of light, 1837, 18. 



on experiments relative to the influ- 

 ence of surfaces on radiation, 1837, 20. 



, proceedings of the Meteorological 



Committee, 1837, 37. 



on the theory of light, 1838, 6. 



on a new case of interference of light. 



on some optical phenomena observed 



by Sir David Brewster, 1839, i. 



on the wave-theory as connected with 



elliptic polarization, 1839, 2. 



on the academical statistics of the 



University of Oxford, 1839, 119; 1842, 

 100 ; 1843, 95 ; 1848, 105. 



on an experiment of interference, 



1840, 14. 



on a point in the wave-theory as ap- 

 plied to heat, 1840, 14. 



on the theoretical computation of re- 

 fractive indices, 1841, 24. 



on the refraction of heat, 1841, 25. 



on certain points of the wave-theory 



of light, 1841,25. 



on certain cases of elliptieally polar- 

 ized light, 1842, 13. 



on apparatus for applying circular po- 

 larization to chemical inquiries, 1842, 32. 



on elliptic polarization in light re- 

 flected from various substances, 1843, 

 9, 10. 



• on certain points connected with ellip- 

 tic polarization of light, 1844, 7. 



on points in the elliptic polarization 



of light by metallic reflexion, 1845, 6. 



on certain cases of elliptic polarization 



of light by reflexion, 1846, 3. 



on the bands formed by partial inter- 

 ception of the prismatic spectrum, 1846, 4. 



on the apparent projection of a star 



on the moon, 1846, 5. 



on shooting stars, 1847, 14. 



on periodic meteors (table of meteor 



showers from 1841 to 1846), 1847, 15. 



on the eclipse of October 1847, 1847, 



16. 



on anomalies in the dispersion of 



light, 1847, 37. 



— — on an explanation of the "beads'* 

 and "threads" in annular eclipses, 

 1848, 2. 



■I on a new case of interference of light, 

 1848, 3. 



