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INDEX II. 
Mastodon angustidens, on a skeleton of, 
found near Montopoli, 62. 
Mathematics, 1. 
Matteucci (Prof.) on the laws of magnet- 
ism and diamagnetism, in a letter to 
Dr. Faraday, 6. 
M‘Cormac (Dr. Henry) on the connexion 
of atmospheric impurity with disease, 
119. 
M‘Cosh (Rev. Prof.), morphological ana- 
logy between the disposition of the 
branches of exogenous plants and the 
venation of their leaves, 66. 
M‘Coy (Prof.) on the mode of succession 
of the teeth in Cochliodus, 55; on the 
subdivisions of Leptena, #b.; on the 
structure of certain fossil fishes found 
in the old red sandstone of the N. of 
Scotland, id. 
M‘Culloch (D.) on the statistics of the 
province of Nova Scotia, 119. 
M‘Farland (Mr.) on the Fata Morgana of 
Treland, 29. 
Mechanical science, 121. 
Medo-Persic philology, on the present 
state of, 90. 
Meials, on the amount of heat produced 
by the combination of several, with 
oxygen, 39, 40; on the mechanical 
properties of, as derived from repeated 
meltings, 125. 
Metamorphic rocks, on the microscopic 
structure of certain, and the occurrence 
of metallic iron in them, 34. 
Meteorological summary for 1851, at 
Huggate, 31. 
Meteorology, 24; of Ireland, 26; on the 
plan adopted by the Smithsonian In- 
stitution for investigating the, of N. 
America, 2b. 
Meteors, 21. 
Microscopic structure of certain basaltic 
and metamorphic rocks, on the, 34. 
Mind, on the state of the, during sleep, 
80. 
Mineral field of Fair Head, on the natural 
peculiarities and advantages of the, 
129. 
Mines, on the, of Copiapo, 53; on certain 
ancient, 110. 
Minie rifle, remarks on the, 125. 
Mirage, on a remarkable case of, 24. 
Mirrors of different sizes, on the form of 
images produced by, 3. 
Molecular action, on, 20. 
_ Mollusca found at Peterhead, 78. 
Moncrieff (Rev. Dr.), an account of his 
treatise on arithmetic in the Chinese 
language, 1. 
Mont Blanc, on the Alps in the vicinity 
141 
of, 43; on the changes occasioned 
during the cooling of the granite of, ib. 
Montopoli, on a skeleton of Mastodon an- 
gustidens found near, 62. 
Moon’s rays, on the effect of the, 36. 
Mortality at Dublin, on the early bills of, 
121, 
Munro (Major) on the transmutation of 
Agilops into Triticum, 68. 
Muscat, on the possessions of the Imaum 
of, 1138. 
Muscles, on a new effect produced on, by 
the electric current, 78. 
Muslin manufacture in Ireland, on the 
progress of the sewed, 118. 
Nasmyth (James), proposed theory of the 
origin of the asteroids, 21. 
Nebulz, on drawings to illustrate recent 
observations on, 22. 
New Zealand flax, on a new method of 
scutching the, 132. 
N’gami, latest explorations in S. Africa 
to the north of lake, 112. 
Nicol (Prof.) on the occurrence of glacier 
moraines in Arran, 55; on the struc- 
ture of the South Silurian mountains of 
Scotland, 2b. 
Niger, on the proposed expedition to as- 
cend the, to its source, 112. 
Nile, on the Upper, 114. 
Nova Scotia, on the statistics of the pro- 
vince of, 119. 
Ogilby (William) on the geographical di- 
stribution of animals in connection with 
the progress of human civilization, 78. 
Old red sandstone of the N. of Scotland, 
on the structure of certain fossil fishes 
found in the, 55. 
Optical properties of a recently discovered 
salt of quinine, 15. 
Owen (Prof.) on the homologies of the 
cranial vertebre, 78. 
Oxford, statistics of the revenues of the 
university and some of the colleges of, 
118. 
Oxygen, on the amount of heat produced 
by the combination of several metals 
with, 39, 40. 
Palestine, late explorations in, 114. 
Paris, on the productive industry of, 119. 
Paupers, on the present state of the law 
of settlement and the removal of, in 
Scotland, 114. 
Peach (C. W.) on some fishes, crustacea - 
and mollusca found at Peterhead, 78. 
Penny (Prof. F.) on the estimation of 
iodine, 37. 
