INDEX. 
841 
Magnets, scale and temperature coefficients of, new method of determining, 85. 
Mantell (Dr. G. A.). On a Dorsal dermal Spine of the Hylaeosaurus, recently discovered in 
the Strata of Tilgate Forest, 391. 
. Supplementary Observations on the Structure of the Belemnite and 
Belemnoteuthis, 393. 
. On the Pelorosaurus ; an undescribed gigantic terrestrial reptile whose 
remains are associated with those of the leuanodon and other Saurians in the Strata of Tilgate 
Forest, in Sussex, 379. 
Marshall (John, Esq.). On the development of the Great Anterior Veins in Man and Mam- 
malia ; including an account of certain remains of Foetal Structure found in the Adult, a Com- 
parative View of these Great Veins in the different Mammalia, and an Analysis of their 
occasional peculiarities in the Human Subject, 133. 
Matteucci (Signor Carlo). Electro-Physiological Researches. Eighth Series, 287. 
Ninth Series. On Induced Con- 
traction, 645. 
Mechanical equivalent of heat, 61. 
Membranous labyrinth and auditory nerve, on the development of, 195. 
Meteorological Instruments, automatic registration of, 83. 
Meteorological Observations taken in India, discussion of, 297. Diurnal tides, 298. Table of 
daily oscillations of the barometer at Dodabetta, 300. Range of barometer at Dodabetta, 
304-308. Dates of the maximum and minimum pressure at Madras, and range of barometer at 
Madras, Bombay, Calcutta, &c.,305. Horary oscillations, 308, 309, 314. Table of monthly 
means of daily atmospheric tides, 311. Table of movements of the atmosphere in twenty- 
four hours in each month at Dodabetta, 313. Table of means of the hourly readings of the 
barometer at Aden, 318. Pressure of the atmosphere, 321. Temperature, 323. Table of 
monthly mean temperatures at Madras, Bombay and Calcutta, &c., 324. Curves of tem- 
perature at high levels, 330. Range of temperature and hours of maxima and minima : — 
Madras, 331 ; Calcutta, 332 ; Aden, 333. Range of temperature at high levels, 333 ; at 
Sattara, 334 ; Mahabuleshwur, 335 ; Dodabetta, ibid. Aqueous vapour, 336. Observations 
by the wet-bulb at Dodabetta, 338 ; at Mahabuleshwur, 339. Rain, 352 ; at Bombay, 353 ; 
on the coast of Malabar and Coromandel, 357. Rain at different elevations, 363. Register of 
pluviometer at Bombay, 367. Winds at Madras, 368 ; at Bombay, 369 ; at Calcutta, 370; at 
Mahabuleshwur, 372; at Dodabetta, ibid. Fogs, 374. Electricity, 374. 
Methyl, bromide and iodide of, their action upon aniline, 113; iodide of, its action upon ethyl- 
aniline, 1 14. 
Methylaniline, \\S. Methylethylaniline, 1 14. 
Molecular constitution of the volatile organic bases, 93. 
Moseley (The Rev. Henry). On the Dynamic Stability and on the Oscillations of Floating 
Bodies, 609. 
Moss, Lichens and Ferns, oils produced from, 478. 
Muridce, on the dental structures in, 542. 
Mus decumanus, on the dental structure of, 546. 
Muscular fibres of uterus, changes in, during gestation, 518. 
Myopotamus Coypus, on the dental tissues of, 555. 
Myoxus avellanarius, on the dental structure in, 543. 
