140 
Ireland, notes on the meteorology of, 26 ; 
on the Fata Morgana of, 29; on the 
phosphatic nodules of the ereensand of 
the north of, 36; on the fossils of the 
yellow sandstone of the south of, 43; 
on the lower members of the carboni- 
ferous series of, 46; on the geology of, 
47 ; on Devonian rocks in the south of, 
51; on the Eskers of the central part of, 
63; on the flora of the south and west 
of, 64; on the altitudinal ranges of 
plants in the north of, 66; on the Jaws 
of the currency in, 115; on the exces- 
sive emigration and its reparative 
agencies in, 118; on the progress of 
the sewed muslin manufacture in, ib.; 
statistics of the deaf and dumb in, 121. 
Trish bog butter; on, 35. 
Trish crania, notes upon a collection of, 84. 
Trish Silurian fossils, on a few genera of, 
59. 
Tron, on the occurrence of metallic, in 
certain basaltic and metamorphic rocks, 
34; malleable, for beams or girders, 
126. 
Tron ore, on a new variety of magnetic, 
41. 
Iron plates, on the tensile strength of un- 
wrought, at various temperatures, 125. 
Tron ships, on placing compasses on board, 
10. 
Tron sleeper for railways, on an improved 
cast, 127. 
Java, on an ethnological collection in 
illustration of the ethnology of, 82. 
Jet, on an apparatus for drawing up water 
by the power ofa, 130. 
Johnson (Capt. E. J.) on placing com- 
passes on board of iron ships, 6 
Jones (Prof. T. Wharton) on the forces 
by which the circulation of the blood is 
carried on, 80. 
Joule (J. P.) on the thermal effects of air 
rushing through small apertures, 16. 
Jukes (J. Beete) on Devonian rocks in 
the S. of Ireland, 51. 
Kelp and kelp liquor, 38. 
King (Prof.W.) on the Permian fossils of 
Cultra, 53. 
Knox (Mr.) on the effect of the moon’s 
rays, 36. 
Koh-i-noor diamond, on the, 29 
Labour, free and slave, are there any im- 
pediments to the competition of, in the 
West Indies?, 117. 
Land and sea, on telegraphic communi- 
cations by, 121. 
INDEX Il. 
Larva, on a peculiar annelidan, 70. 
Law, on the new patent, 132, 
Leaves, morphological analogy between 
the disposition of the branches of exo- 
genous plants and the venation of their, 
66. 
Leichardt (Dr.), on the expedition to the 
interior of central Australia in search 
of, 112. 
Lenses of different sizes, on the form of 
images produced by, 3 
Lepteena, on the subdivisions of, 55. 
Light, 2; on an instrument for exhibiting 
the colours of liquids by transmitted, 
20; on the discovery of minute quan- 
tities of soda, by the action of polarized, 
33. 
Lightning, notice of a tree struck by, in 
Clandeboye Park, 2. 
Liquids, on an instrument for exhibiting 
the colours of, by transmitted light, 20 ; 
on the principle of the endosmose of, 36. 
Lituites hibernicus, new species, 61. 
Livingston and Oswell (Messrs.), latest 
explorations in S. Africa to the N. of 
lake N’gami, 112. 
Lloyd (Colonel) on the mines of Copiapo, 
53. 
Lloyd (Rev. H.), notes on the meteoro- 
logy of Ireland, 26. 
Lobos islands, on the, 75. 
Locke (John), excessive emigration and 
its reparative agencies in Ireland, 118. 
Long (Mr.) on crag formations and co- 
prolites, 53. 
Lucca, climatological notes on, 110. 
Luminous beams, on, 11. 
MacAdam (James) on the fossiliferous 
beds of the counties of Antrim and 
Down, 53. 
Macdonnell (A.) on the atomic weight of 
magnesium, 36. 
MacDouall (Prof.) on the present state of 
Medo-Persic philology, 90. 
Macleod (Lieut. L.) on the proposed ex- 
pedition to ascend the Niger to its 
source, 112. 
Magnecrystallic action, on Poisson’s theo- 
retic anticipation of, 20. 
Magnesium, on the atomic weight of, 36. 
Magnetic curves, on certain, 18. 
Magnetism, 2; on the laws of, 6. 
Malcolm (Dr. A. G.) on the sanitary state 
of Belfast, with suggestions for its im- 
provement, 119. 
Marine life, on a new map of the geolo- 
gical distribution of, 73. 
Marshall (Dr. J. D.) on some fowl shot 
in the neighbourhood of Belfast, 77. 

