574 



INDEX. 



Candidates for election, list of, March 2, 

 1871, 349. 



selected, list of, May 4, 1871, 450. 



Carpenter (W. B.) and Jeffreys (J. Gwyn), 

 report on deep-sea reseaches carried on 

 during the months of July, August and 

 September 1870, in H.M. surveying- 

 ship 'Porcupine,' 146. 



Carruthers (W.) admitted, 494. 



Casey (J.) oncyclides and sphero-quartics, 

 495. 



Catalogue of scientific papers, notice of 

 publication of vol. iv., 114. 



Cats, physiological action of codeia deri- 

 vatives on, 510. 



Cayley (A.) on the problem of the in- and 

 circumscribed triangle, 292. 



Ceratodus, a genus of ganoid . fishes, de- 

 scription of, 377. 



Cetyl-alcohol, formation of; by a singular 

 reaction, 22. 



Chemical dynamics, on a law in, 498. 



-Chemical intensity of total daylight, on 

 the measurement of, at Catania during 

 the total eclipse of Dec. 22, 1870, 

 511. 



Chromo-wulfenites, chemical properties 

 of the, 455. 



Cinchonse, chemical and physiological 



. experiments on living, 20. 



Claret, action of, on the human body, ex- 

 periments on, 73. ' 



Clark (F. Le Grros), some remarks on the 

 mechanism of respiration, 486. 



Climate, physiological changes induced in 

 the human economy by change of, 

 295. 



Coal-fields, extension of, beneath the newer 



formations, 222. 

 Coal-measures, present dimensions of, due 



to succession of physical changes, 222. 

 Codeia, action of chloride of zinc on, 71, 



94. 



, action of hvdrobromic acid on, 371 ; 



Part IX, 504. " 

 — — — , on the physiological action of, 510. 

 Colloid bodies, research on a new group 



of, containing mercury, 431. 

 Combined streams, on the mathematical 



theory of, 90. 

 Comet 1, 1871, on the spectrum of, 490. 

 Continuous beams, on the theory of, 56. 

 Copley medal awarded to J. P. Joule, 



123. 



Council, list of, 97, 128. 

 Crace-Calvert (F.) on protoplasmic life, 

 468. 



. , action of heat on protoplasmic life, 



472. 



Crust of the earth, on the constitution of 



the solid, 223. 

 Cyanates, on the aromatic, 108. 

 Cyclides, on, 495. 



Daniell's battery, on a constant form of, 

 253. 



Dardanelles, observations on the currents, 

 temperature, and density of the, 532. 



Davidson (T.), Eoyal medal awarded to, 

 126. 



Daylight, on the measurement of the che- 

 mical intensity of, during an eclipse, 



Dechenite, chemical properties of, 456. 

 Deep-sea researches (1870), report on, 146. 

 Dehra, actinometrical observations made 

 at, 225. 



Density of sea- water, influence of rivers 

 ~ on, 555. 



Des Cloizeaux (A. O.), Eumford medal 

 awarded to, 126 ; notice of his researches, 

 127. 



Descloizite, chemical properties of, 456. 



Diaceto -mercuric hydrate, chemical nature 

 of the, 437. 



Dielectrics, measurements of specific in- 

 ductive capacity of, 285. 



Diet, effect of, on the elimination of ni- 

 trogen, 349. 



Dip, results of seven years' observations 

 of the, 368. 



Divers (E.) on the existence and forma- 

 tion of salts of nitrous oxide, 425. 



Donation Fund, account of sums granted 

 from, 1870, 145. 



Duncan (P. M.) on the structure and 

 affinities of Guynia annulata, Dune, 

 with remarks upon the persistence of 

 Palreozoic types of Madreporaria, 450. 



Dynamics, chemical, on a law in, 498. 



Earth, on the temperature of the interior 

 of the, 481. 



Eclipse, Dec. 1870, observations of, at 

 Oxford, 290. 



, total, on the measurement of the che- 

 mical intensity of daylight during, 511. 



■ of the sun, Dec. 1870, notice of Go- 

 vernment aid, 123. 



Election of Fellows, 494. 



Electrical resistance, on the increase of, 

 in conductors with rise of temperature, 

 443 ; on a simple method of measuring, 

 443. 



Electricity, a new method of obtaining, 

 from mechanical force, 243. 



, experiments on the discharge of, 



through rarefied media and the atmo- 

 sphere, 236. 



Electrostatic induction and the decom^ 

 position of water, on certain relations 

 between, 243. 



Electrotonus, on, 26. 



Eosite, chemical characters of, 453. 



Equations, linear differential, on (No. III.), 

 14. 



Etheridge (E.) admitted, 494. 



