INDEX II. 



251 



•Cleghom (Sheriff) on the Welling-ton 

 reformatory, 211. 



Clifford (W. k.) on a canonical form of 

 sperical harmonics, 10. 



'Clifford on the secular cooling and the 

 figure of the earth, 34. 



Coal and coke, F. Crace-Calvert on the 

 estimation of sulphur in, 08. 



*Coal-beds of Panama, the Rev. Dr. 

 Hume on the, in reference mainly to 

 their economic importance, 103. 



Coal-measures, Prof. W. C. Williamson 

 on the sti'ucture of the Dictyoxrjlons 

 of the, 111. 



Codeia, Dr. Wright on certain new deri- 

 vatives from, 84. 



*Colding (Prof.) on aerial currents, 53. 



Colloid condition of matter, Dr. W. 

 Marcet on the nutrition of muscular 

 and pulmonary tissue in health and in 

 phthisis, with remarks on the, 140. 



•Colour in plants, Neil Stewart on the 

 functions of, during different stages of 

 their development, 131. 



Compte, Auguste, J. Kaines on the an- 

 thropology of, 153. 



Conductivity, surface, for heat of a 

 copper ball, D. M'Farlane on experi- 

 ments to determine the, 44. 



Conglomerates, J. Henderson on the age 

 of the felstones and, of the Pentland 

 Hills, 101. 



Conoidal cubic surface called the " cy- 

 lindroid," Prof. Ball on a model of a, 8. 



Conservation of boulders, D. Milne 

 Home on the, 107. 



Continued fraction, J. W. L. Glaisher 

 on the calculation of e (the base of the 

 Napierian logarithms) from a, 16. 



Continuity of the fluid state of matter, 

 speculations on the, by Prof J. Thom- 

 son, 30. 



Contortion of rocks, L. C. Miall on the, 

 106. 



Conwell (Eugene A.) on an inscribed 

 stone atNewhaggardin co. Meath, 149. 



Copeland (Dr.) on the second German 

 arctic expedition, 175. 



Copper plates, J. H. Gladstone and A. 

 Tribe on the corrosion of, by nitrate 

 of silver, 29. 



Cordillera, Eastern, Clements R. Mark- 

 ham on the, and the navigation of the 

 river Madeira, 184. 



•Corliss engine, P. Douglas on the, 234. 



♦Coronas, artilicial, Prof. 0. Reynolds 

 on, 34, 



Covariants of a binary quantic. Prof. 

 Cayley on the number of, 9. 



Crace-Calvert (F.) on the estimation of 



sulphur in coal and coke, 68; on the 

 action of heat on germ-life, 122 ; on 

 spontaneous generation, or protoplas- 

 mic life, 123. 



* Crag-deposits of Norfolk and Suffolk, 



J. S. Taylor on the later, 110. 



* Crane, A. B. Brown on a direct-acting 



combined steam and hydraulic, 231. 

 *Crinoids, Prof. Wj^iUe Thomson on 



the structure of the, 134. 

 *Cross traced upon a hill at Cringletie, 



near Peebles, J. W. Murray on a, 156. 

 Cruciferous fruit, Dr. J. B. Nevins on 



the nature of the, with reference to 



the replum, 130. 

 *Cryptobranch, Prof. Humphry on the 



caudal and abdominal muscles of the, 



140. 

 Cryptogamia, vascular, Prof. W. C. 



WUliamson on the classification of the, 



as affected by recent discoveries among 



the fossil plants of the coal-measures, 



131. 

 Crystallization of metals by electricity, 



P. Braham on the, 67. 

 Crystals of silver, J. H. Gladstone on, 



71. 

 Curry (John) on the general conditions 



of the glacial epoch, with suggestions 



on the formation of lake-basins, 95. 

 Curve of precession and nutation. Prof. 



Zenger on the nutoscope, an appa- 

 ratus for showing gTaphically the, 36. 

 Curves, Prof. F. W. Newman on doubly 



diametrical quartan, 20. 

 " Cylindroid," Prof Ball on a model of 



a conoidal cubic surface called the, 8. 



Daintree (R.) on the general geology o f 

 Queensland, 95. 



Dalzell (John) and T. E. Thorpe on the 

 existence of sulphur dichloride, 68. 



Dawkins (W. Boyd) on the relation of 

 the quaternary mammalia to the 

 glacial period, 95 ; on the origin of 

 the domestic animals of Europe, 149 ; 

 on the attempted classification of the 

 palseolithic age by means of the mam- 

 malia, 149. 



•Deacon (H), experiments on vortex- 

 rings in liquids, 29; on Deacon's 

 chlorine process as applied to the 

 manufacture of bleaching-powder on 

 the larger scale, 69. 



Definite integrals, J. W. L. Glaisher on 

 certain, 10. 



Degeneration of race in Britain, Dr. 

 Beddoe on, 148. 



Delffs (Prof) on sorbit, 69 ; on the de- 

 tection of morphine by iodic acid, 60. 



