Proposal for a new method of determining the Longitude, by an ab-
solute Altitude of the Moon. By John Christian Bowring, Esq.... 52
An Inquiry into a new Theory of Earthy Bases of Vegetable Tissues.
By the Rev. J. B. Reade, M.A. F.R.Š.
Description of a new Tide-Gauge, constructed by T. G. Bunt, and
erected on the Eastern bank of the River Avon, in front of the Hot-
well House, Bristol, in 1837
On the Régar or Black Cotton Soil of India. By Capt. Newbold,
Aide-de-Camp to Brigadier-General Wilson.
Experimental Researches in Electricity.-Thirteenth Series. By Michael
Faraday, Esq. D.C.L. F.R.S. &c.........
An Account of a line of Levels, carried across Northern Syria, from
the Mediterranean Sea to the River Euphrates. By William Taylor
Thomson, Esq., with Geological and Botanical Notes, by William
Ainsworth, Esq.
Supplementary Note to the Thirteenth Series of Experimental Re-
searches in Electricity. By Michael Faraday, Esq. D.C.L. F.R.S.