548 



IlS^DEX. 



Caro (H.) and Wanklyn (J. A.), rosani- 

 Kne, on the relation of, to rosolic acid, 

 210. 



Carpenter (W. B.), further obseryations 

 on the structure and affinities of Eozoon 

 Cmiadense, in a letter to the President, 

 503. 



Cavistics, a supplementary memoir on, 

 268. 



Cay ley (A.), a supplementary memoir on 



caustics, 268. 

 , an eighth memoir on quantics, 



330. 



, on the ciirres which satisfy given 



conditions, 462. 

 , second memoir on the curves which 



satisfy given conditions ; the principle 



of correspondence, 463. 

 Cells, on the formation of, in animal 



bodies, 314. 

 Chambers (C), on the Bombay magnetic 



observations, 111. 

 Chapman (E, T.), ethylamine, on the pre- 

 paration of, 218. 

 Chemical change, investigation of laws of, 



by means of symbols, 136. 

 , on the laws of connexion between 



the conditions of, and its amount 



(No. II.), 262. 

 Chemical symbols, on the construction of, 



136. 



Cln^istie (S. H.), obituary notice of, xi. 



Clarke (Capt. A. E.), abstract of the re- 

 sults of the comparisons of standards of 

 length of England, Prance, Belgium, 

 Prussia, Russia, India, Australia, made 

 at the Ordnance Survey Office, South- 

 ampton, 311. 



Clarke (J. L.), on the structure of the 

 optic lobes of the cuttle-fish, 260. 



, on the intimate structure of the 



brain ; second series, 509. 



Claudet (A.), a new fact relating to bino- 

 cular vision, 424. 



, optics of photography. — On a self- 

 acting focus-equalizer, or the means of 

 producing the differential movement of 

 the two lenses of a photographic optical 

 combination, which is capable, during 

 the exposm'e, of bringing consecutively 

 all the planes of a solid figm-e into 

 focus, without altering the size of the 

 various images superposed, 456. 



Coal-tar, on a new series of hydrocarbons 

 derived from, 132. 



Coimbra, monthly magnetic determina- 

 tions made at, 474. 



Colloid septa, on the absorption and dia- 

 lytic separation of gases by, 223. 



Comet 1, 1866, on the spectrum of, 5. 



Compasses, on the action of the, in u'on 

 ships, 38. 



Congelation of animals, on, 250, 256. 



Copley medal awarded to Prof, J. Plilcker, 

 278. 



Corona Borealis, spectrum of a new star 

 in, 146. 



Correspondence on meteorological obser- 

 vations, 29. 

 Correspondence, the principle of, 463. 

 Council, list of, 262. 



Croonian Lecture. — On the influence ex- 

 erted by the movements of respiration 

 on the circulation of the blood, 391 . 



Ciu-rents, tidal, of the west coast of Scot- 

 land, 43. 



Curves, on a property of, 468. 



Cm^ves wliich satisfy given conditions, on 

 the, 462, 463. 



Cuttle-fish, on the sti-ucture of the optic 

 lobes of the, 260. 



Davy (J.) on the Bursa Fabricii, 94. 



on the congelation of animals, 250,256. 



on the bones of birds at difierent 



periods of their growth, 299. 



Dawkins (W. Boyd) on the dentition of 

 'Rhinoceros leptorhinus (Owen), 106. 



Ovibos moschatus (Blainville), 516. 



Dayhght, note on the relative chemical 

 intensity of, at difierent altitudes of the 

 sun, 20. 



Dead Sea, level of, 128. 



De Souza (J. A.), monthly magnetic deter- 

 minations, from June to ]S"ovember 

 1866 inclusive, made at the observatory 

 at Coimbra, 474. 



Determinants, on the condensation of, 

 150. 



Dhurmsalla meteoric stone, on the compo- 

 sition of, 214. 



Diet, non-nitrogenous, efiects of, 343. 



Disk, on the heating of a, by rapid rota- 

 tion in vacuo, 290. 



Dispersion-spectrmn, measured by Kirch- 

 hofi", computation of the lengths of the 

 waves of light corresponding to the 

 lines in, 405. 



Dodgson (Eev. C. L.), condensation of de- 

 terminants, being a new and brief me- 

 thod for computing their arithmetical 

 values, 150. 



Domes, on the stability of, 182 ; Part II., 

 266. 



Donders (F. C.) elected foreign member, 

 189. 



Drach (S.), two MS. volumes of tables in 

 pure mathematics, presented by, 306. 



Duncan (P. M.), on the genera Hetero- 

 loJiyllia, Battersbyia, Valmocyclus, and 

 Asterosonilia ; the anatomy of tlieir spe- 

 cies, and their position in the classifi- 

 cation of the Sclerodermic Zoantharia, 

 460. 



Dynamical force, conversion of, into elec- 

 trical force, 367. 



