INDEX I. 



195 



Iron ships, William Fairbaim on the 

 strength of materials considered in 

 relation to the construction of, 243. 



Jeffreys (J. Gwyn), report on dredging 

 among the Channel Isles, 1 ; on the 

 marine fauna and flora of the south 

 coast of Devon and Cornwall, 51. 



Jenkin (Fleeming) on standards of elec- 

 trical resistance, 308. 



Joule (Dr.) on standards of electrical 

 • resistance, 308. 



Kane (Sir Robert) on a uniformity of 



weights and measures, 375. 

 Kent's Cavern, Devonshire, on exploring, 



16. 

 King's Bath, Prof. A. W. Williamson 



on the composition of the gases evolved 



by the Bath spring called, 381. 



Lee (Dr.) on mapping the surface of the 

 moon, 286 ; on a uniformity of weights 

 and measures, 375. 



Levi (Dr. Leone) on a uniformity of 

 weights and measures, 375. 



Lingula-flags of South Wales, Henry 

 Hicks on the, 281. 



Liverpool, A. Follett Osier on variations 

 in direction and motion of the air at, 

 264. 



Lockyer (J. N.) on mapping the surface 

 of the moon, 286. 



Lubbock (Sir John, Bart.), first report 

 on exploring Kent's Cavern, Devon- 

 shire, 16. 



Luminous meteors, report on, by James 

 Glaisher, R. P. Greg, E. W. Brayley, 

 and Alexander S. Herschel, 57 ; cata- 

 logue of, 69 ; appendix, 120. 



Lyell (Sir Charles, Bart.), first report 

 on exploring Kent's Cavern, Devon- 

 shire, 16. 



Maltese Caves, A. Leith Adams on, 257. 



Matthiessen (Dr. A.) on standards of 

 electrical resistance, 308 ; on the con- 

 struction of the copies of the B.A. 

 Unit, 311. 



Maxwell (Prof.) on standards of elec- 

 trical resistance, 308. 



Meteoric astronomy, papers bearing on, 



Meteoric showers and their radiants, 



122. 

 Meteorites, on, 128. 

 I , Prof. E. W. Brayley on a new 



theory of the origin and formation of, 



132. 

 ^, the origin of, 133. 



Meteorites, H. C. Sorby on the micro- 

 scopical structure of,. 139 ; note by 

 Prof. Brayley on, 140. 



Meteors, luminous, report on, 57; cata- 

 logue of, 60 ; appendix, 120. 



doubly observed, 120 ; large, 125. 



Miller (Dr.), report on gun-cotton, 264 ; 

 on standards of electrical resistance, 

 308 ; on a uniformity of weights and 

 measures, 375. 



Mnaidra Cave, A. Leith Adams on, 257. 



Mi jlyneux (William) on the distribution 

 ol the organic remains of the North 

 Staffordshire coal-field, 42. 



Moon, W. R. Birt on mapping the sur- 

 face of the, 286. 



Murchison (Sir R. I., Bart.) on the esta- 

 blishment of magnetic observations 

 on the Kew system at the Observatory 

 at Tiflis, 313. 



Napier (James R.) on the resistance of 

 water to floating and immersed bodies, 

 56. 



Nasmvth (James), report on gun-cotton, 

 264. 



North Staffordshire coal-field, on the 

 distribution of the organic remains of 

 the, 42. 



Numbers, Prof. H. J. S. Smith's report 

 on the theory of, pt. vi., 322 ; theorems 

 of Jacobi on simultaneous quadratic 

 forms, 339; origin of the principal 

 formula? in Jacobi's memoir, 343 ; the 

 formidse of M. Kronecker, 347, 349; 

 connexion of the formulae of M. Kro- 

 necker with elliptic series, 359 ; arith- 

 metical demonstrations of the formulae 

 of, 365 ; equations satisfied by the mo- 

 dules which admit of complex multi- 

 plication, 369; application of the Theta 

 functions to the Pellian equation, 

 :J72. 



Ocean, A. G. Findlay on the bed of the, 

 379. 



Organic remains of the North Stafford- 

 shire coal-field, on the distribution of 

 the, 42. 



Osier (A. Follett) on the horary and 

 diurnal variations in the direction and 

 motion of the air at Wrottesley, Liver- 

 pool, and Birmingham, 264. 



Oyster-culture, comparison of the French 

 and English system of, 11. 



Oysters, green, 14. 



, Frank Buckland's report on the 



cultivation of, by natural and artificial 

 methods, 3. 



, on dredging for, 7. 



13* 



