Geology, notices in, 194.

Geology of Sussex, notice respecting Mr Mantell's work on the, 402.
Geological history of the earth, Professor Esmark's remarks tending to

explain the, 107.

Geological observations relative to the countries discovered by Captains
Parry and Ross, Professor Jameson's, 104.

Glaciers of Justedal, Mr Bohr's account of a visit to the, 255.

Glass, easy mode of cutting, 207.

Gold, its distribution in the Uralian Mountains, 197.

Graham, Dr, his list of rare plants flowering in the Edinburgh Botanic
Garden, 184, 388.

Graphite, new mode of applying it in drawings, 398.

Grant, Dr R. E., his observations on the structure and functions of the
sponge, concluded, 121.-description of two new sponges, 203.-
description of Octopus ventricosus, 309.

Greensand formation in Sweden, 196.

Guillemin, M. his account of a gelatinous quartz, 324.

Hydrography, notices in, 201, 392.

Hyæna cave discovered on the banks of the Garonne, 197.

Hyænas, Professor Buckland and Capt. Sykes on the interior of the dens
of living, 377.

Hygrometer, Mr Meikle on the use of a simple syphon as a, 366.
Hygrometers and evaporation, Mr H. Meikle's remarks and experiments
relating to, 22.

Ice, thickness of salt-water, 202.

Innes, Mr George, his calculations of celestial phenomena from Jan. 1.
to April 1. 1827, 188.-from April 1. to July 1. 1827, 387.

Insects, circulation discovered in, 202.

Iodine and lithia in the mineral springs of Theodoreshall, 202.

Irish furze, broom, and yew, different from British, 207.

Iserine and iron sand in Cheshire, 200.

Ivory, mode of etching and dyeing figures on, 399.

Jameson, Professor, his observations on the geology of the countries dis-
covered by Captoins Parry and Ross, 104.

Jamesonite, Mr H. Rose's account of the chemical composition of, 341.
Jet discovered in Wigtonshire, 197.

Karsten, M., his observations and experiments on the differ

coals, 280.

JANUARY-MARCH 1827.

Ee

Latta, Dr Thomas, his observations on the Arctic Sea and Ice, 86.
Lead mines of the south of Spain, Mr Witham's remarks on the, 375.
Leech, notice regarding a species of, 202.

Leslie, Professor, his enumeration of instruments necessary for meteoro-
logical observations, 141.-on the coniometer, 384.

Libellulite, account of one found at Solenhoffen, 195.

Lindsay, J, Esq. his meteorological observations made in Jamaica, 317.
Longchamp, M., his remarks respecting nitre, 193.

Luminousness of the eyes of animals, Dr Esser's remarks on the, 164.-
M. Prevost's observations on the same subject, 297..

Macgillivray, Mr W., his description of two species of Conchifera, 370.
Macvicar, Mr John, his account of the seed of Stipa pennata, 343.
Madeira, Von Buch's observations made during a visit to, 73.
Magnetic iron-ore, a hill of, in Siberia, 196.

Magnetic needle, Mr Barlow's account of experiments relative to its va-
riation and intensity, made during Parry's third voyage, with re-
marks, 347.

Malesherbia, Mr D. Don's description of the genus, 320.

Mathematical and astronomical tables, notice regarding Mr Galbraith's,
404.

Mathematics, notice regarding a work of Baron Dupin's on, 208.

Manures, their effects on the qualities of plants, 397.

Meikle, Mr Henry, his remarks and experiments relating to hygrometers

and evaporation, 22.-on the experiments to determine the specific
heat of air under volume and under pressure, 328.- remarks on the
use of a simple syphon as a hygrometer, 366.

Meteors seen in India, 191.

Meteorological observations, Professor Leslie's remarks on the mode of
conducting, 141.-made in Jamaica by Mr J. Lindsay, 317.

Meteorology, notices in, 191.

Mineralogy, notices in, 197.

Mustard-tree, Mr D. Don's account of it, 306.

Natural philosophy, notices in, 391.

Nitre, notice regarding M. Longchamp's opinion as to its formation, 193.

Octopus ventricosus, Dr Grant's description of, 309.

Orang outang, Dr Abel's account of one killed in Sumatra, 371.- -no-
tice respecting the same, 207.

Parry, Captain, Dr Latta's observations on his intended expedition to
the North Pole, 86.

Patents granted in England, from 18th September to 18th November
1826, 211; from 8th December 1826 to 16th January 1827, 407.

granted in Scotland, from 9th September to 8th November 1826,
212; from 13th December 1826 to 24th February 1827, 409.
Phosphorus discovered in kelp, 194.

Plants, Dr Graham's list of rare ones flowering in the Edinburgh Botanic
Garden, 184, 386.

Platina, geognostical position of, in America, 197; in Siberia, 199.
Prevost, M. Benedict, his observations regarding the shining of the eyes
of the cat, and other animals, 297.

Purple-coned fir of Nepal, Mr D. Don's account of the, 306.

Publications new, 208, 400.

Pyrochlore, Description and Analysis of, 342.

Quartz, Mr Guillemin's account of a gelatinous, 324.

Rainbows, Rev. Mr Scoresby's description of remarkable, 235.
Repulsion of heat inversely as the square of the distance, 391.
Rhubarb, Mr D. Don's remarks on, 304.

Royal Society of Edinburgh, proceedings of the, 190.

Rose, M. his account of the chemical composition of zinkenite and Jame-
sonite, 341.

Saussure, Horace Benedict de, Baron Cuvier's Biographical Memoir of,
213.

Scoresby, Rev. W. his description of remarkable rainbows, 235; re-
marks on Dr Latta's observations on the Arctic Sea and Ice, 382.
Selenium in red copper-ore, 201.

Serpentine and diallage rocks, Dr Boue's observations on, 265.
Shells, marine, found 200 feet above the level of the sea, 195.

Silica in springs dissolved by carbonic acid, 392.

Smith, Dr, queries respecting the hyena proposed by him, 204, 205.
Sponge, Dr Grant's observations on its structure and functions, 121.
Sponges, Dr Grant's description of two new species of, 203.

Spider, account of a narcotic species of, 206.

Stipa pennata, Mr Macvicar's account of its seed, 343.

Stomach of birds, instance of remarkable power of the, 206.

Straw, account of the growth and preparation of that used in the Tuscan
trade, 380.

Sulphate of iron, magnificent crystals of it found at Bodenmais, 200.
Sword-fish, notice of one caught in the Frith of Forth, 202.

Tides in the river Thames, Mr Barlow's observations regarding the, 49.

Tit-lark caught at sea, 393.

Tour to the south of France and the Pyrenees, Mr Arnott's, 241.

Treschsell,' M. his remarks on coloured shadows, 32.

Trevelyan, W. C. Esq. his remarks on the marine cockles found in York-

shire, at a distance from the sea, 367.

Turnbull, Alexander, Esq. his notice respecting the geological structure
of the country around Darwar, 194.

Vegetation, account of its establishment at the surface of the globe, 64.
Venerupis nucleus, description of, 371.

Vultur aura, Mr Audubon's account of the habits of, 172.

Vulture shot in Somersetshire, 206.

Water fresh, found in the sea far from land, 369.

Water-spouts in the Irish Channel, 192.

Wernerian Natural History Society, proceedings of the, 191, 389.

Winds in the polar regions, 193.

Witham, H. Esq. his remarks on the lead mines of Spain, 375.
Wohler, F. his description and analysis of pyrochlor e, 341.

Zinkenite, M. H. Rose's account of its chemical composition, 341.
Zoology, notices in, 202, 393.

Zschokke, M. his remarks on coloured shadows, 32.

P. NEILL, Printer.