INDEX I. 



167 



Iodide of metli)-!, Dr. Richardson on the 

 physiological action of, 53. 



Iron, I. Lowthian Bell on the present 

 state of the manufacture of, in Great 

 Britain, and its position as compared 

 with that of some other countries, oi. 



Jeffreys (J. Gwjai) on the marine fauna 

 and ilora of the south coast of Devon 

 and Cornwall, 27o; on dredging 

 among the Shetland Isles, 4C>1. 



Jenkin (Fleeming) on standards of elec- 

 trical resistauce,474 ; on a nioditicatiou 

 of Siemens's "Resistance-Measurer,"' 

 481 ; experiments on capacity, 483. 



Joule (Dr.) on standards of electrical 

 resistance, 474 ; determination of the 

 dynamical equivalent of heat from 

 the thermal effects of electrical cur- 

 rents, 512. 



Kane (Sir R.) on a uniformity of , 



weights and measures, 468. 

 Kent's Cavern, Devonshire, report of the 



committee for exploring, 24. 



Levi (Professor Leone) on a uniformity 

 of weights and measures, 4G8. 



Linue, observations of the crater, 3. 



Lockyer (J. N.) on mapping the surface 

 of the moon, 1. 



Lubbock (Sir J., Bart.) on exploring 

 Kent's Cavern, Devonshire, 24. 



Luminous meteors, ]86G-(37, report of the 

 committee on, 288 ; catalogue of, 2'JO. 



Lyell (Sir C.) on exploring Kent's Ca- 

 vern, Devonshire, 24, 



Marine fauna and flora of the south 

 coast of Devon and Cornwall, 27o. 



Mascarene Islands, Prof A. Newton on 

 the extinct didine birds of the, 278. 



Matthiessen (Dr. A.) on standards of 

 electrical resistance, 474. 



Mauritius, Charles Meldruni on the me- 

 teorology of, 108; temperature of, 

 109; elastic force of vapour at, 111; 

 humidity, 112; atmospheric pressure 

 at, 113; pressure of dry air at, 114; 

 direction and veering of the wind at, 

 115 ; force of the wind at, 116 ; 

 amount of cloud at, 117; rainfall of, 

 117; thunder and lightning at, 119; 

 gales and hurricanes at, 119. 



Maxwell (Professor) on standards of 



electrical resistance, 474. 

 Meldruni (Charles) on the meteorology 



of the Island of Mauritius, 108. 

 Men-of-war, table of the performances 

 of, 74. 



Meteors, catalogue of, 290 ; doubly ob- 

 .served, 372; large, 374; observations 

 of the radiant-point of the November 

 shower of, 391; brightness of, 396; 

 colom- of, 397 ; spectroscopic observa- 

 tions of, 399; characteristic appear- 

 ances of, 401 ; intermittent light, 402 ; 

 telescopic observations of, 405 ; cata- 

 logue of luminous, and aerolites, 414. 



Methyl compounds, Dr. B. W. Richardson 

 on the physiological action of the, 

 47. 



Miller (Prof. W. A.) on a uniformity of 

 weights and measures, 468 ; on stan- 

 dards of electrical resistance, 474. 



Mitchell (Joseph) on the construction 

 and works of the Highland railway,151. 



Mollusca of the south coast of Devon 

 and Cornwall, 275. 



Molluscoida, Rev. A. Merle Norman on 

 the, procured by the Shetland dredg- 

 ing committee, 437. 



Moon, report of the committee for map- 

 ping the sm-face of the, 1 ; alleged 

 change on the sm-face of the, 3 ; spots 

 on the surface of the, 6. 



Mylne (R. W.), second report of the 

 Rainfall Committee, 448. 



Napier (J. R.) on the analysis and con- 

 densation of the information contained 

 in the reports of the "Steam-ship 

 Performance " Committee, and other 

 sources of information on the same 

 subject, 58. 



Newton (Prof. Alfred) on the extinct 

 didine Birds of the Mascarene Islands, 

 278. 



Nitrite and nitrate of methyl, Dr. Rich- 

 ardson on the physiological action of,54. 



Norman (Rev. A. Merle) on the Crusta- 

 cea, Molluscoida, Echinodermata, and 

 Crelenterata procm'ed by the Shetland 

 dredging committee in 1867, 437. 



Paddle-steamers (merchant), table of the 

 pei"forniances of, 65. 



Pengelly (William) on exploring Kent's 

 Cavern, Devonshire, 24. 



Phillips (Professor J.) on mapping the 

 surface of the moon 1 ; on exploring 

 Kent's Cavern Devonshire, 24 ; second 

 report of the Rainfall Committee, 448. 



Plant-beds of North Greenland, preli- 

 minary report of the committee for 

 the exploration of the, 57. 



Polyzoa, Rev. A. Merle Norman on the, 

 pi-ocured by the Shetland dredging 

 committee, 440. 



Port Louis, in the Island of Mauritius, 



