INDEX. 



549 



mination of the most probable orbit 

 of a binary star, 386. 



Honey, on the composition of, 398. 



Horse-flesh, on the inorganic consti- 

 tuents of, 271. 



Huxley (H.) on the anatomy and 

 affinities of the family of Medusae, 

 528. 



Hydrogen gas, on the passage of, 

 through solid bodies, 545. 



Hylseosaurus, on the osteology of the, 

 64. 



Iguanodon, osteology of the, 64. 



Indianite, analysis of, 486. 



Institution of Civil Engineers, pro- 

 ceedings of the, 526. 



Iodine, on the detection of, 156, 395. 



Iridium, on some compounds of, 396. 



Jones (H. B,) on the variations of the 

 acidity of the urine in the state of 

 health, and on the influence of me- 

 dicines on the acidity of the urine, 

 162. 



Joule (J. P.) on the mechanical equi- 

 valent of heat, 533. 



Kopp (M.) on liquid storax and bal- 

 sam of Peru, 72. 



Kyanite, on the identity of Silliman- 

 ite, fibrolite, and Bucholzite with, 

 459. 



Lassaigne (M. J. L.) on the state in 

 which arsenic exists in the deposit 

 from mineral v/aters, 465. 



Laurent (M.) on the composition of 

 stearic acid, 237. 



Leconte (M.) on the qualitative and 

 quantitative determination of phos- 

 phoric acid, 545. 



Lightning, on the production of, by 

 rain, 161, 392. 



Lignites and dolomites of the island 

 of Bute, on the, 81. 



Louyet (M.) on the preparation of 

 pure oxide of cobalt, 154 ; on alu- 

 minate of cobalt, 155 ; on the pass- 

 age of hydrogen gas through solid 

 bodies, 545. 



Lowe (E. J.) on a remarkable solar 

 phaenomenon, 437 ; on falling stars, 

 524. 



Lubbock (Sir J. W.) on shooting 

 stars, 356. 



Lyman (Rev. C. S.) on the California 

 gold region, 470. 



Madder, on the colouring principles 

 of, 201. 



Maes (M.) on the influence of boracic 

 acid upon vitrification, 479. 



Magnetic declination, illustrations of 

 a method for computing, 511. 



Magnetism, on the direct production 

 of heat by, 153; on the rotation 

 of the plane of polarization of heat 

 by, 48] ; on a mathematical theory 

 of, 540. 



Magnetometers, on the automatic re- 

 gistration of, by photography, 544. 



Man and mammalia, on the develop- 

 ment and varieties of the great an- 

 terior veins in, 537- 



Mantell (G. A.) on the osteology of 

 the Iguanodon and Hylaeosaurus, 

 64. 



Marshall (John) on the development 

 and varieties of the great anterior 

 veins in man and mammalia, 537. 



Matteucci (M.) on the voltaic arc, 

 289. 



Medusae, on the anatomy and aflini- 

 ties of the family of, 528. 



Melene, on the preparation and pro- 

 perties of, 253. 



Melissic acid, on the properties and 

 composition of, 247. 



Melissine, on the preparation and 

 composition of, 246. 



Metallic oxides, on the colouring of 

 glass by, 439. 



Meteorological instruments, on the 

 automatic registration of,by photo- 

 graphy, 544. 



Meteorological observations, 79, 159, 

 239, 319, 399, 479. 



Meteorology of the Lake district of 

 Cumberland, on the, 70. 



Meteors, 479. 



Methylamine, on the properties and 

 composition of, 311. 



Mialhe (M.) on chloroform, 314. 



Milk, on the inorganic constituents of, 

 279. 



Miller (J. F.) on the meteorology of 

 the Lake district of Cumberland and 

 Westmoreland, 70. 



Miller (Prof.) on the identity of 

 Brookite and Arkansite, 75. 



Mineralogy : — Arkansite, 75 ; Brook- 

 ite, ib. ; Emerylite, 451 ; Corundel- 

 lite, 452 ; Euphyllite, 454 ; Union- 

 ite, 457 ; Monrolite, 458 ; Silli- 

 manite,459; fibrolite, 460; Buchol- 

 zite, ib. ; kyanite, ib. ; Boltonite, 



