Mollusca, on the structure of the ske- letons or hard parts of the, 435.
Monobasic salts, 102.
Moon, new method of determhiing the longitude by an absolute altitude of, 52.
— — , on the influence of, on the at- mospheric pressure, 395.
Morichini (Prof), notice of the late, 18.
Mortality, on the laws of, 115. Moseley (Rev. H.) on the geometrical
forms of turbinated and discoid shells, 79.
on a calculating machine, 362.
on the theory of machines, 318.
Motion, rotatory, 66. Mucus-globules, compared with cor- puscles of the blood, 324. Mudesous and mudesic acids, 239. Munster (Earl of) notice of the late, 414.
Murchison (R. T.) description of Cog- gan's self-registering thermometer and barometer, 72.
Muscle, facts observed in the forma- tion and structure of, 364.
, voluntary, on the minute struc- ture and movements of, 244, 301 ; the contraction of a muscle is the essential cause of its rupture, 301 ; there is no repellent force between the contractile elements of muscular fibre, 301.
Muscular tissue compared with cor- puscles of the blood, 324.
Myriapoda, on the organs of repro- duction and the development of the, 326.
, on the circulation of the blood in the, 458.
Naples, barometrical observations taken at, 303.
Necker (L. A.), Appercu sur une ma- niere nouvelle d'envisager la theorie cristallographique dans le but d'eta- blir les rapports de celle-ci avec la forme spherique ou elliptique, des molecules, ainsi qu'avec I'effet des milieux sur la forme cristalline, 116.
Nerves, on the, 434.
, physiological inferences derived from human and comparative ana- tomy respecting the origin of the, 472.
»— of the gravid uterus, on the, 189.
Nervous force, experimental relation of, to electric force, 112.
ganglia of the uterus, 321, 395.
~ system, on tlie, 218; the spinal nerves, 218; respiratory system of, 218 ; supply of blood to the nerves of the respiratory system, 218.
tissue, compared with corpuscles of the blood, 324.
Nervous and circulatory systems in articulated animals, 458.
Newbold (Capt.) on the Regar or black cotton soil of India, 53.
Newbold (T.J.) on the diamond mines of Golconda, 280.
Newport (G.) on the organs of repro- duction, and on the development of the Myriapoda, 326.
on the structure and development of the nervous and circulatory sy- stems in articulated animals, 458.
Newton's (Sir I.) solutions of the pro- blem of the astronomical refractions, 59,60.
, an original portrait of, presented
to the Royal Society by Prof. Vig-
nolles, 296. , the autograph of the Principia
in the possession of the Royal So-
ciet}^, 253, 335. Niger Expedition, 253, 380,401. Nitrates, conversion of into chlorides,
applied to the determination of
equivalent numbers, 119. Nitrogen, its influence on the growth
of plants, 66, 148. , its evolution during the growth
of plants, 70. «— — , its influence in promoting vege- table decomposition, 148. and carbon, compound bodies,
472.
Nobili's plate of colours, on, 195. Northampton (Marquis of), address
at Anniversary Meeting. Nov. 21, 1839, 168.
, address at Anniversary Meeting, Nov. 30, 1840, 252.
, letter to the Royal Society, read at the Anniversary Meeting, Nov. 30, 1841, 331.
, address at Anniversary Meet- ing, Nov. 30, 1 842, 400. Norton (Capt. J.), on a percussion
shell to explode at the bottom of the sea, 248.
Nutation and precession, phenomena
