SECTIONS. INDEX OF AUTHORS. 



197 



Welsh (J.), description of a self-registering 

 anemometer by E. Beckley, 1856, 38. 



, description of Stewart's thermometer 



for measuring fluctuations of temperature, 

 1856, 47. 



, instructions for the graduation of 



boiling-point thermometers, intended for 

 the measurement of heights, 1856, 49. 



*Wenham (F.) on the application of pho- 

 tography to the delineation of micro- 

 scopic objects, 1854, 116. 



Werne (F.) on the sources of the White 

 Nile, 1848, 78. 



Werner (M.) and C. W. Siemens, outline 

 of the principles and practice involved in 

 dealing vrith the electrical conditions of 

 submarine electric telegraphs, 1860, 32. 



on a mode of covering wires with 



india-rubber, 1860, 215. 



West (Dr.) on the geographical position of 

 Cape Farewell, 1835, 66. 



on the formation of wood, 1835, 75. 



West (T.) on the occurrence of sclerotic 

 plates in fishes, 1844, 63. 



West (Tuffen) on the epidermal cells of 

 the petals of plants, 1858, 119. 



West (W.) on means of detecting gases 

 present in air, 1836, 77. 



on the ventilation of tunnels, 1837, 



136, 



on some new salts of mercury, 1838, 72. 



, experiments on heating by steam, 



1844, 35. 



* on the mineral springs and other 



waters of Yorkshire, 1844, 105. 



' on the use of stating, with the results 



of analyses, the nature of the methods 

 employed, 1846, 42. 



on the presence of nitrogen in mineral 



waters, 1849, 47. 



Westwood (J. O.) on an undescribed modi- 

 fication of the respiratory organs of cer- 

 tain Crustacea, 1831-32, 603. 



on the transformations of the Crusta- 

 cea, 1834, 608. 



, remarks on entomology, 1845, 64. 



on certain blind species of insects, 



1847, 81. 



on mmnmy beetles, 1860, 123. 



on a lepidopterous parasite on the 



body of the Fulgora candelaria, 1860, 

 124. 



Wetterstedt (Baron C.) on the preserva- 

 tion of metals and metallic combinations 

 from oxidation, decomposition, and injury 

 from marine deposits and incrustations, 

 1847, 60. 



Wharton (W. L.) on a barometer with an 

 enlarged scale, 1833, 414. 



on a steam-engine for pumping water, 



1833, 421. 



, statistical tables of the engines, venti- 

 lation, screens, sales, pitmen, &c., and the 

 strata of nine collieries in Durham, 1838, 

 169. 



* , report for leaking inquiries into the 



statistics of the mining districts of North- 

 umberland, Durham, and Yorkshire, 

 1839, 120. 

 Whately (Archbishop), introductory ad- 

 dress to the Statistical Section, 1857, 



154- 

 Wheatstone (Prof.) on Dr. Purkinje's ex- 

 periment on the eye, 1831-32, 551. 



on an experimental proof of Ber- 



noulH's theory of wind instruments, 

 1831-32, 559. 



on the acoustical figures of vibrating 



surfaces, 1831-32, 558. 

 • on the prismatic decomposition of 



electrical light, 1835, 11. 

 on the imitation of the human speech, 



1835, 14. 



on binocular vision, and the stereo- 

 scope, 1838, 16. 



on a new meteorological instrument, 



1842, 9. 



on a singular effect of the juxtaposition 



of certain colours under particvdar cir- 

 cumstances, 1844, 10. 



on a means of determining the appa- 

 rent solar time by the dim-nal changes of 

 the plane of polarization at the north 

 pole of the sky, 1848, 10. 



on Prof. Quetelet's investigations re- 

 lating to the electricity of the atmosphere, 

 1849, II. 



Wherland (Dr.) on a rare case of mid- 

 wifery, 1843, 84. 



WiiEWELL (Rev, Dr. W.), suggestions re- 

 specting Sir J. Ilerschel's remarks on the 

 theory of the absorption of light by 

 coloured media, 1834, 550. 



on the progress of observations of the 



tides, 1835, 6. 



on a new anemometer, 1835, 29 ; 



further account of, 1836, 39. 



— : — on the application of physical science 



to geology, 1835, 65. 



on the tides, 1836, 130 ; 1837, 4. 



on the principle of his anemometer, 



1837, 32. 

 , report of Committee on the relative 



levels of land and sea, 1837, 59. 



on some tide-observations forwarded 



to him by the Eussian Admiral Liitke, 

 1839, II. 



, observations on Capt. Fitz Eoy's views 



of the tides, 1839, 11. 



on Dr. WoUaston's argument respect- 

 ing the infinite divisibility of matter, 

 1839, 26. 



, Capt. Hewett's experimental trial on 



the rise and fall of the tide in the middle 

 of the North Sea, in reference to Ms 

 theory of tlie same, 1841, 32. 



on measuring the height of clouds, 



1846, 15. 



on our ignorance of the tides, 1851, 



27. 



^ , mathematical exposition of some 



doctrines of political economy, 1851, no. 



