CONTENTS. iii 
Art. XV. Analysis of a Journal of a Voyage to the Northern 
Whale-fishery; including Researches and Disco- 
veries on the Eastern Coast of West Greenland, * 
made in the Summer of 1 822 , by William Scores- 
by jun. F. R. S., M. W. S., &c. &c. - 340 
XVI. Account of a series of Electro-Magnetic Experi- 
ments, with Observations on the Mathematical 
Laws of Electro-Magnetism. By Peter Barlow, 
Esq. Royal Military Academy, Woolwich, 368 
XVII. Description of the Lamps with Concentric Wicks, 
and with a superabundant supply of Oil, as adopt- 
ed in the French Light-houses, - 382 
XVIII. Celestial Phenomena from April 1. to July 1. 1823* 
calculated for the Meridian of Edinburgh, Mean 
Time. By Mr George Innes, Aberdeen, 38 4 
XIX. Proceedings of the Royal Society of Edinburgh. 
(Continued from p. 180.) - - 385 
XX. Proceedings of the Wernerian Natural History So- 
ciety. (Continued from p. 182.) - 386 
XXI. Proceedings of the Cambridge Philosophical Society 
for 1822. (Continued from Vol. VI. p. 378.) 388 
XXII. Scientific Intelligence, - - 392 
1 . NATURAL PHILOSOPHY. 
Astronomy. 1 . New Elements of the second Comet of 1822. 
2. Bessel’s Survey of the Heavens, - - ib. 
Optics. 3. On the Double Refraction of Compressed Glass, 
and of Glass that is rapidly Cooled. 4. Mr Ramage’s new 
Reflecting Telescope of a Large Size. 5. Prize offered for 
the best Theory of Haloes, &c. 6. Method of forming Three 
Haloes artificially round the Sun, or any luminous object. 
7. Theory of Haloes. 8. Parhelia seen at York, 392-395 
Meteorology, 9 . Remarkable Cold in Inverness-shire on the 
5th and 6th of February. 10. Temperature of Springs and 
Deep Wells. 11. Mean Temperature of Cape Town. 12. 
Variation in the Bulbs of Thermometers. 13. On the cause 
of the Ascent of Clouds in the Atmosphere. 1 4. On the 
Cause of the Suspension of Clouds. 15. Meteoric Stone in 
the department of the Vosges, ^ 3g6-398 
Hydrodynamics. 16. Perkins’ New Steam-Engine of great 
Power. 17- Steam Ships building by Government. 18. 
Quantity of Water in the Rhine at Basle, - 398, 399 
