 Notonectide, on noises produced by 
INDEX TI. 
Martin’ (Dr.)' om the moral and’ intellectual 
eharacter of the New Zealanders, 78. 
Mathematics, 1. 
MAndrew (Robert) on Medusz, 65. 
on additions to the marine fauna of 
Britain, 66. 
Mechanical science, 92. 
Medical science, 82. 
Medusz, on preserving the, 69. 
Merthyr Tydvil, on the statistics of, 90. 
Messier’s Catalogue, on the nebula 61 of, 4, 
Metallic reflexion, on points in the elliptic 
“polarization of light by, 6. 
Meteorological cycle, on a lunar, 25. 
Meteorological observations, made in 1844 
at Huggate, 18. 
——, made at Christiania, in 1844, 19. 
Miller (Dr.) on the action of gases on the 
prismatic spectrum, 28. 
Mineral manure, on, 39. 
Mines, ou working and ventilating the coal, 
of the north of England, 53. 
Mirrors, on the caustics produced by two, in 
rotation, 9. 
Mollusca nudibranchiata, on a new genus of, 
Moon, on a model of the globe of the, in re- 
lief, 4. 
——, on the projection of a star on the dark 
_limb of the, 5, 
Morphological connexion, on the specific cha- 
racters of plants, considered in, 74. 
Mososaurus, on the occurrence of the, in the 
‘Essex chalk, and on the discovery of flint 
within the pulp-cavities of its teeth, 60. 
Murichi, description of the, 71. 
Narcotic plants, on the ashes of, 36. 
Nasmyth’s steam-hammer for pile-driving, on, 
92s0: 
Natural history, on the application of Fizeau’s 
process of etching objects of, 76. 
Nebula 25 Herschel, on the, 4. 
Neu Schmollen, on the occurrence of Silurian 
rocks'at, 47. 
New Granada, ona gold casting illustrating 
the state of art in, prior to the conquest, 78. 
_ New red sandstone of Corncockle Muir, on 
_ the foot-prints of various animals on the, 
Bl zi: 
New Zealand, on the geology of, 50. 
New Zealanders, on the moral and intellec- 
rd tual character of the, 78. 
_ Nield (W.) on the’ police statistics of Man- 
chester, 89. 
_ Nodules from the red crag, London clay, 
__-and greensand, 51. 
Norfolk; on the state of the agricultural la- 
bourers in the county of, 89. 
Norton (J. P.) on the ashes of oats, 35. 
—— on the composition of slate rocks, and 
the soils formed from them, 38. 
_ Norway, on the trade and navigation of, $7. 
_ Notation, on a system of numerical, 4. 
one of | 
the, 64. | 
103 
Oats, on the ashes of, 35. 
Ober, in Silesia, on the occurrence of Silurian 
rocks at, 47. 
Ogilby (William) on the scientific principles 
on which classification in the higher de- 
partments of Zoology should be based, 62. 
Oil of assafcetida, 33. 
Oliver (Joseph York) on the Baron de Bode’s 
insulated compass, 16, 
Oolite of the neighbourhood of Cambridge, 
on the middle, 43. 
Organic chemistry, on a natural system of, 31. 
Ornithichnites, on traces resembling, 52. 
Oswald (M. Ferdinand) on the occurrence of 
Silurian rocks at Ober and Neu Schmollen, 
near Breslau, in Silesia, 47. 
Oyster, on the cilia and ciliary currents of 
the, 66 
Oxford clay of the neighbourhood of Cam- 
e bridge, on the, 43. 
Papaver orientale, on, 72. 
Parima, on the lake, 50. 
Peach (C. W.) on the marine fauna of Corn- 
wall, 65. 
Pearsall (Thomas J.) on masses of salt dis- 
covered in the lowest portions of guano on 
the island of Ichaboe, 39. 
Percy (Dr. John) on the chemistry of dia- 
betes, 39. 
Perim Island, on some new additions among 
the mammalia to the fossil fauna of India, 
from, 52. iy 
Philological evidence, on the present state 
of, as to the unity of the human race, 78. 
Physics, 1. 
Phytelephas macrocarpa, on the, 70. 
Pile-driving, on Nasmyth’s steam-hammer 
for, 92. 
Plants, on the ashes of, 34, 35, 36. . 
, tabular view of fossil, 48. 
——,, on the distribution of endemic, 67. 
——,, on the germination of, 69. 
—-, on the specific characters of, 74. 
——, on the geographical distribution of, in 
British India, 74. 
——,, on electrotyped, 74. 
Plastic operations, on a new mode of suture 
applicable to; 84. 
Playfair (Dr. Lyon) on atomic volumes, 31, 
Polarization of light, on points in the elliptic, 
by metallic reflexion, 6. 
Police statistics of Manchester, on the, 89. 
Population, on the different methods em- 
ployed to estimate the amount of, 91. 
Porter (G. R.) on the progress and present 
state of savings’ banks in the United King. 
dom, 87. 
on the iron trade, 91. 
Portlock (Capt.) on dredging at Corfu, 65. 
Posidonian schist amidst trappean beds, on, 
Powell (Rev. Prof.) on points in the elliptic 
polarization of light by metallic reflexion, 6. 
Pratt (S. P.) on the coal deposits of the 
Asturias, 49. 
