280 



Index 



Polyzoon, specimen of, from mouth 

 of the Peiho, 154. 



Porter, G. R., election of, and bio- 

 graphical note on, 29 ; communi- 

 cation from, 119. 



Portlock, J. E., election of, and 

 biographical note on, 40 ; com- 

 munications from, 126, 142 ; 

 death of, 57. 



Portraits, composite, produced by 

 photography, 206. 



Portsoy, deviation of plumb-line 

 near, 166. 



Posidonia maritima, balls of its 

 fibres, 161. 



Potash, crystals of, colouration 

 caused by twinning, 226. 



Potassium, iodide of, rapidly ab- 

 sorbed by living animals, 170. 



Pouchet, M., experiments on de- 

 velopment of life in heated solu- 

 tions, 150. 



Powders, explosive, experiments 

 with different kinds of, 220. 



Powell, B., election of, and bio- 

 graphical note on, 39. 



Prestwich, J., election of, and bio- 

 graphical note on, 54 ; communi- 

 cations from, 154, 183, 184, 195 ; 

 placed on supernumerary list, 76 ; 

 death of, 91. 



Priestley, J., correspondence with 

 and note on, 99. 



Prime Meridian Conference, resolu- 

 tions adopted at the, 227. 



Publications of Societies, plans for 

 uniting, 27. 



Puggard, M., geology of Moen, 115. 



Punjab, extension of Salt Range in, 

 114. 



Purbeck Beds, discovery of fossil 

 mammals in the, 134. 



Purple, the source of Tyrian, 149. 



Quartz, right- and left-handed 

 crystals of, studied by Prof. Judd, 



233- 



Quinine, rapid absorption of, by the 

 living body, 173. 



Racemic acid, synthetic, capable of 

 changing a polarization plane, 

 222. 



Radioactivity of uranium and its 

 compounds, 256. 



Radiometers, experiments v.-ith 

 Crookes' improved form, 199 ; 

 as delicate electroscopes, id. 



Railway structures, use of iron in,, 

 in. 



Rain, black, in Aberdeenshire, 158 ; 

 in Ireland, 237 ; material exa- 

 mined by Dr. Russell, id. 



Rainfall, variations of, in India, 1 10 ; 

 relation of, to barometric move- 

 ments, 121. 



Rameses, discoveries in pits sunk 

 at statue of, 129, 136. 



Ramsay, A. C., election of, and 

 biographical note on, 53 ; com- 

 munications from, 164, 172, 

 176, 202, 203 ; retirement of, 



79- 

 Ravenna, pine forest near, effect 



of cold winter on, 215. 

 Rayleigh, Lord, election of, and 



biographical note on, 72. 

 Rays, luminous and thermal, 



methods of separating, 168. 

 Red clay, remarks on, 196 ; its 



origin, id. ; particles of, among 



glauconite grains from Aegean 



dredgings, 197. 



Regnault, hydrometer and ther- 

 mometer by, 114. 

 Relief Fund, Scientific, 52. 

 Rennie, G., biography of, 23 ; 



communications from, no, 123, 



125, 127, 132. 

 Respiration and excretion, special 



apparatus for estimating, 175. 

 Retina, effect of rubbing on the, 



"5- 



Rhinoceros, death of, at Zoological 

 Gardens, no ; dissection of, id. ; 

 remains of African, in a cave at 

 Gower, 140 ; explanation offered 

 of its presence, 141 ; Sumatrensis, 

 arrival of, at Zoological Gardens, 

 190. 



Richardson, J., biography of, 25 ; 

 communications from, no, in, 

 122, 128 ; absence from England, 



Rocking stone, model of one 

 exhibited, 180. 



