263 



KEPOKT— 1873. 



Coal-measures, W. Carruthers on tlie 

 tree ferns of the, and their affinities 

 witli existing forms, 98. 



, W. Carruthers on Traquairia, a 



radiolariau rhizopod from the, 126. 



, Rev. J. Gunn on the prospect of 



finding productive, in Norfolk and 

 Suffolk, 102. 



Codeine, Dr. Wright on new derivatives 

 from morphine and, 87. 



*Colbron (J. P.) on the drainage of 

 Shoreham, 242. 



Collins (M.), new improvements ap- 

 proximating more rapidly than usual 

 to square, cube, and other roots of a 

 given number N, 13, 



*Colloid solutions, Dr. Ord on the crys- 

 tallization of salts in, 79. ■ 



Colour, change of, in Fishes and Crus- 

 tacea, M. Gr. Pouchet on'the mechanism 

 of the, 162, 



Conglomerates, Bunter, W. Molyneux 

 on the occiu'rence of copper- and lead- 

 ores in the, of Cannock Chase, 116. 



Connaughtcoal-measures,,T. A. Readwin 

 on the coal- and iron-mines of the 

 Arig-na district of the, 122. 



*Cooper (W. J.) on aproposed method of 



?reventing the fermentation of sewage, 

 3. 



Copper, A. Tribe on the precipitation of 

 silver by, 84. 



Copper- and lead-ores, W. Molyneux on 

 the occurrence of, in the Bimter con- 

 glomerates of Cannock Chase, 116. 



Cotton, J. Galletly on the ignition of, 

 by saturation with fatty oils, 73. 



Crace-Calvert (Dr. F.) on the relative 

 power of various substances in pre- 

 venting putrefaction and the deve- 

 lopment of protoplasmic and fungus 

 life, G9. 



Cretaceous rocks, J. W. Judd on the 

 discovery of, in the islands of Mull 

 and Inch Kenneth, 115. 



■ super-formations, J. Howell on, 



in the neighbourhood of Brighton, 

 109. 



Croger (Charles T.) on tumuli at As- 

 cheraden in Livonia, 178. 



*Croullebois (Prof) on the action of 

 quartz on ultra-violet rays, 36 ; on 

 tubes phosphorescent by friction, 36. 



Crustacea, M. G. Pouchet on the me- 

 chanism of the change of colour in 

 fishes and, 152. 



'Crystalline schists. Dr. Robert Sim on 

 certain quartz-nodules occurring in 

 the, near Killin, Perthshire, 122. 



Crystallographic, the, system of leucite, 



hitherto supposed to be regular, is 

 quadratic, by G. vom Rath, 79. 



Cube, and other roots of a given num- 

 ber N, M. Collins on new improve- 

 ments in approximating more rapidly 

 than usual to square, 13. 



*Curley (T.) ou the sewage difficulty, 

 242. 



Curves, quartan, F. W. Newman on tri- 

 diametral, 22 ; on, with three or four 

 diameters, 23 ; on monodiametral, 23. 



Cyclones, Charles Meldi-um on a perio- 

 dicity in the frequency of, iu the 

 Indian Ocean south of the equator, 

 56. 



Cyphonauies, Prof. Allman on the struc- 

 ture of, 133. 



Dartmoor, C. Spence Bate on an explo- 

 ration of some tumuli on, 175. 



Davidson (Thomas) on the present state 

 of our knowledge in connexion with 

 the Brachiopoda, 99. 



Dawkins, W. Boyd ou the physical 

 geogTaphy of the Mediterranean 

 dm'ing the Pleistocene age, 200 ; re- 

 port on the archiBological and zoo- 

 logical results of the exploration of 

 the Victoria Cave, 178. 



Deep-sea researches, Capt. M. Hall on 

 the employment of yacuts in, 136. 



water, W. Lant Carpenter on the 



mode of collection of samples of, and 

 of their analysis for dissolved gaseous 

 constituents, employed on board 

 li.M.S. ' Porcupine ' during the 

 summers of 1869 and 1870, 72. 



Definite integrals, J. W. L. Glaisher ou 

 the evaluation in series of certain, 15. 



DeLaRue (Dr. Warren), Address by, to 

 the Mathematical and Physical Sec- 

 tion, 1. 



Delesse's (M.) work, entitled " Litho- 

 logie dufond des Mers," J. G. Jeffi'eys 

 on submarine explorations with re- 

 ference to, 115. 



Dennet (C. F.) on Ramie, a new plant, 

 with description of its uses, &c., 126. 



* on breach-loading firearms, 242. 



Dents du Macrmichenia, P. Gervais 

 sur les, et leur mode de remplacement, 

 136. 



Devonian age, rocks of. Prof. J. Hall ou 

 the occiu'rence of trunks of Psaronius 

 in an erect position resting on their 

 original bed in, in the state of New 

 York, with some inferences regarding 

 the condition of the sea-bottom and 

 shore-line during the deposition of 

 the strata, 103. 



