270 



REPORT 1873. 



*Eadclifle (Dr.) on tlie mechanism of 

 muscular contraction, 152. 



Railway amalgamation, W. Symons on 

 a plan for, with government control, 

 251. 



Eainfall of Sussex, F. E. Sawyer on 

 the, m. 



Eamie, C. F. Dennet on, a new plant, 

 with description of its uses, &c., 

 120. 



Eansome (F.) on recent improvements 

 in the manufacture of artiticial stone, 

 and the application of such stone to 

 constructive and other purposes, 248. 



Rath (G. vom), the crystallogi-aphic 

 system of leucite, hitherto supposed 

 to he regular, is quadratic, 79 ; on a 

 remarkable block of lava ejected by 

 Vesuvius at the great eruption, April 

 1872, which proves the formation of 

 silicates through sublimation, 120, 



Rays, inclined. Prof. J. Thomson on 

 atmospheric refraction of, and on the 

 path of a level ray, 41. 



* , ultra-violet. Prof. Croullebois on 



the action of quartz on, 36. 



Readwin (T. A.) on the coal- and iron- 

 mines of the Arigna district of the 

 Connaught coal-measures, 122. 



Red rocks, near Mentone, M. Moggridge 

 on the skeleton of the, 190. 



Refraction, G. Forbes on astronomical, 

 30. 



* and solar spots, J. II. Brown on, 



SO. 



, atmospheric, Prof J. Thomson on, 



of inclined rays, and on the path of a 

 level ray, 41. 



Respiratory variations of arterial pres- 

 sure. Dr. Burdon Sanderson on the 

 cause of the, ] 54. 



Rhoetic bone-bed, J. E. Lee on veins or 

 fissures in the Keuper tilled with, at 

 Goldclifie in Monmouthshire, 110. 



Rhinoceros, Dr. Sclater on a new, with 

 remarks on the recent species of this 

 genus and their distribution, 140. 



Rhizopod, radiolarian, W. Carruthers on 

 Traqu((iria, a, from the coal-measures, 

 126. 



*Rifling, Woolwich system of, estima- 

 tion of the error in the flight of heavy 

 projectiles due to the, by W. Hope, 



*Rivers, General Sir J. E. Alexander on 



the pollution of, 220. 

 *Roberts (W. Chandler) on a curve illus-- 



trating the British gold coinage, 82. 

 *Robertson (John) on the perforating 



instruments of Pholas amdidd, 140, 



Rocky Mountains, Prof. Nicholson on a 

 silicified forest in the, with an account 

 of a supposed fossil chip, 193. 



RoUeston (Prof.) on some skulls ob- 

 tained in Canon Greenwell's excava- 

 tions, 193 ; on the Weddo of Ceylon, 

 194. 



Rolling of a ship in a seaway, W.Froude 

 on an apparatus for automatically re- 

 cording the, 243. 



Roots of a given number N, M. Collins 

 on new improvements in approximat- 

 iuo; more rapidly than usual to square, 

 cube, and other, 13. 



Ross (Dr. J.) on the graft theory of 

 disease, 152. 



Roumanian gipsies. Dr. Charnock on, 

 177. 



'Rubbings from St. Patrick's Cliair, co. 

 Mayo, R. S. Symes on, 197. 



St. David's, Henry Hicks on the Cam- 

 brian and Silurian rocks of Ramsey 

 Island, 107. 



, J. Hopkinson on the graptolites of 



the Arenig rocks of, 107. 



*Saccharometer, Prof. Zenger on the 

 tangential balance and a new, 03. 



Salmon-pass or swimming-stair, Richard 

 Cail on a lock, 135. 



*Salts, Dr. Ord on the crj'stallization of, 

 in colloid solutions, 79. 



, neutral, W. Lant Cai'peuter on the 



presence of albumen in, and on a new 

 process for the manufacture of stearic 

 and palmitic acids, 71. 

 ■ of uranium. Colonel Stuart Wortley 



on the importance of the, in photo- 

 graphy, 45. 



Sanderson (Prof Burdon), Address to the 

 Department of Anatomy and Physio- 

 logy, 145 ; on the cause of the respi- 

 ratory variations of arteriiil pressure, 

 154. ^ 



Sawyer (F. E.) on the rainfall of Sussex, 

 58. 



Schiifer (E. A.) experiments relating to 

 the coagulation of the blood, 155. 



Schenk (R.) on the anioimt of heat re- 

 quired to raise elementary bodies from 

 absolute zero to their state of fusion, 

 82. 



School-Board pupils, C. G. Bunting on 

 the importance of providing additional 

 facilities for the instruction of, in the 

 higher branches of knowledge, 222. 



Schools, elementary, of Manchester, 

 Lydia E. Becker on statistics regard- 

 ing the attendance and education of 

 girls in the, 220. 



