VI. CONTENTS. 



PAGE 



On the Flexure of a Flat Elastic Spring. By Horace Lamb, M.A., F.R.S. 216 



On Absorption Spectra and a Method for their more accurate determina- 

 tion. By Alexander Hodgkinson, M.B., B.Sc. With Eight Plates. 223 



Hymenoptera Orienlalis, or contributions to a knowledge of the Hymen- 

 optera of the Indian Zoological Region. By P. Cameron. Com- 

 municated by John Boyd, Esq. With Two Plates 239 



PROCEEDINGS. 

 Ashworth, J. J. — The Levanter Clouds at Gibraltar ... ... .. 115 



On the decreasing size of heads ... ... ... ... .. ... 189 



Bailey, Charles, F.L.S. — On sparrows and yellow crocus ... ... 159 



Black, Dr. W. G., F.R.Met.S.— On Meteorology at the Sea-side: 



English Channel 188 



Bottomley, James, D.Sc, B.A., F.C.S. — Note on the rate of Dissolu- 

 tion of Solids - 113 



Brogden, Henry, F.G.S. — On Colliery Explosions 169 



Clay, Charles, M.D. — On the rapidity of the Growth of Plants .-- 2 



Faraday, F. J., F.L.S., &c— On the last report of the Solar Physics 



Committee ... ... ... ... ... ... ... ... 117 



On Fatal Influenza near Bolton in 1800... ... ... ... ... 143 



On two unpublished letters by James Anderson, LL.D., the Scotch 

 Agriculturist and Economist, dated December 24th, 1794, and 

 July 24th, 1795, respectively ... ... ... ... ... 152 



On colliery explosions ... ... ... ... ... ... ... 169 



On analogies between Music and Chemistry ... ... ... .. 190 



Gee, W. W. Haldane, B.Sc. — On an apparatus for determining the 



Viscosity of Liquids .. . ... ... ... ... ... ... 56 



Grimshaw, Harry, F.C.S. — On the hygrometric properties of the 



Lancashire Atmosphere ... ... ... ... ... ... 189 



Gwythek., R. F., M.A. — On Gustave-Adolphe Him 159 



Hoyle, W. E., M.A., M.R.C.S. — On specimens of Cuttle-fish from the 



Challenger collection... ... ... ... ... ... ... 112 



Hodgkinson, Alexander, M.B., B.Sc. — On a possible Cause of Error 



in taking the Temperature of Patients ... ... ... ... 64 



On Iridescent Chlorate of Potash 117 



On a Spectrum in the Blackpool Aquarium 159 



On Diamonds and Double Refraction ... ... ... ... ... 187 



Johnson, W. H., B.Sc. — On the waste of Power in producing light ... 166 

 On an Improved Form of Gauge for Measuring the Thickness of 

 Metal Sheets, Rods, and other Substances from three-fourths to 

 one ten-thousandth part of an inch ... ... ... 184 



