620 



INDEX. 



Brachiopoda, contributions to the ana- 

 tomy of, 106, 241. 



Brodie (B. C.), note on the melting point 

 and transformations of sulphur, 24. 



Brooke (C.) on the structure of certain 

 microscopic test objects andtheir action 

 on the transmitted rays of light, 139. 



Buckton (G. B.) on the action of sul- 

 phuric acid on the Nitriles and Amides, 

 544. 



Calculating machine, report of a com- 

 mittee on, 499. 



Calvert (F. C.) on chemical affinity and 

 the solubility of the sulphate of baryta 

 in acid liquors, 532. 



Canton (E.), letter from, 361. 



Carpenter (W. B.) on a peculiar arrange- 

 ment of the sanguiferous system in 

 terebratula and certain other Brachio- 

 poda, 82. 



, researches on the foraminifera. 



Pt. I. OrbitoJites, 417. 



Cayley (A.), an introductory memoir on 

 quantics, 58 ; second memoir on, 380 ; 

 researches on the partition of numbers, 

 376; further researches, 377. 



Cerebro-spinal fluid, examination of, 89. 



Chasles (M.) elected foreign member, 83. 



Cheletropis Huxleyi, anatomy of, 191, 

 309. 



Chemical affinity, circumstances modify- 

 ing the action of, 298. 



, influence of mass on, 533. 



Chloroform, some new derivatives of, 

 135. 



Chowne (W. D.), experimental researches 

 on the movement of atmospheric air 

 in tubes, 466. 



Circle, approximate quadrature of, 379. 



Cocoa-nut oil, effect of, on the blood, 41. 



Cod-liver oil, effect of, on the blood, 41. 



Collins (M.), the attraction of ellipsoids 

 considered generally, 103. 



Colour of fossil testacea, an indication of 

 depth of primaeval seas, 21. 



Colours and changes of pictures produced 

 on the retina, 117. 



Compass, observed deviations of, in 

 several ships, 491 ; on the formation 

 of tables of, 494. 



Cooper (E. J.) on the perihelia and nodes 

 of the planets, 295. 



Copley Medal awarded to J. Miiller, 259 ; 

 L. Foucault, 572. 



Cranium, form of, in the embryo, 437. 



Creosote (coal-tar), constitution of, 143. 



Crozier (Capt. F. R. M.), obituary notice 

 of, 275. 



Cymidine, formation and properties of, 

 446. 



Cymol series, organic base of, 446. 

 Cysticercus celluloste, structure and de- 

 velopment of, 548. 



Datisca cannabina, 536. 



Datiscetine, nature, properties, and ana- 

 lysis of, 538 ; action of nitric acid 

 on, 539 ; of potash and chromic acid, 

 540. 



Datiscine, properties of, 537 ; action of 

 sulphuric acid on, 538. 



Davy (J.), some observations on the ova 

 of the salmon, in relation to the dis- 

 tribution of species, 362. 



Decimal compass card, 381. 



Definite integrals, theory of, 174. 



De la Beche (Sir H. T.), obituary notice 

 of, 582 ; labours of, 584. 



Dew-point, determination of, by dry- and 

 wet-bulb thermometers, 528 ; discre- 

 pancies in observation of, 530. 



Diamagnetic force, further researches on 

 polarity of, 555. 



Differential equations, on a class of, oc- 

 curring in dynamical problems, 4, 

 314. 



Dirichlet (G. L.), elected foreign member, 

 421. 



Discs, friction of, revolving in water, 

 509. 



Dobell (H.) on the applicability of gela- 

 tine paper as a medium for colouring 

 light, 172. 



Donkin (W. F.) on a class of Differential 

 Equations, &c., 4; Part II., 314. 



Donkin (B.), obituary notice of, 586. 



Egypt, geological history of alluvial land 



of, 233. 

 Elastic Solid, integrals of the equations 



of the internal equilibrium of, 1 96. 

 Electric discharge, urinary calculi broken 



by, 101. 

 Electric telegraph, experiments made 



with the submarine cable of, 328. 

 , theory of, 382 ; rate of signals in, 



399. 

 Electrical currents, magnetism in iron 



bars developed by, 488. 

 Electricity, vitreous and resinous, phae- 



nomena of, 52. 



, Experimental Researches in, 524. 



Ellipsoids, attraction of, 103. 



Embryo, early stages of development of, 



104. 



Embryology, researches in, 579. 

 Ethyl, new phosphite of, 131. 

 Euphrosyne, ephemeris of, 166. 

 Excrements, immediate principles of, 153. 

 Excretine, a new organic substance, 155. 

 Excretolic acid, 155. 



