on the Shamrock of Ireland; Effect of Light on Plants; Immense Tree in
Mexico; Mr. Murray on Raining Trees; Forms and Relations of Volcanoes;
Cuticular Pores of Plants; Volcano of Pietra Mala; Milk Tree of
Demarara; Productiveness of Plants and Animals; Height of the Perpetual
Snows on the Cordillera of Peru; Gerard's Botanical Journey in the
Himala Mountains; Changes of temperature in Plants; Humboldt's account
of the Gold and Platina district of Russia; Sir H. Davy on the
durability of Stone; Dr. Hibbert's account of a Natural Rocking-stone;
Notices of Fossil Organic Remains discovered within the year;
Instructions for collecting Geological specimens, &c.

The _Astronomical and Meteorological_ division contains some important
observations on Atmospherical Electricity, by Dr. Brewster; a note of
the recent Visitation of Greenwich Observatory; Snow of the winters
1829-30; Account of a Water-spout on the Lake Neufchatel; Mr. Herapath
and Sir James South on the Comet; On the Rending of Timber by Lightning;
Curious account of Hay converted into Glass by Lightning; The Occupation
of Aldebaran by the Moon; Aurora Borealis observed during the year;
and a Journal of the Weather of the year, by Mr. Tatem, the ingenious
meteorologist, which paper we regret is not acknowledged from the
_Magazine of Natural History_; appended to this is a tabular
Meteorological Summary of 1830, communicated to the _Arcana of Science_
by Dr. Armstrong.

In _Rural Economy_ there are Abstracts from papers of considerable
value and extent--on Pasturages, Chlorides applied to diseased Animals,
Quality of Waste Land from the plants growing in it, Malt Duties, Beet
Root Sugar, Aliment from Straw, Planting and Pruning, Indian Corn,
Mangold Wurzol, &c. In _Gardening_ are upwards of 40 similar Abstracts.
In _Domestic Economy_ are some practical papers on Milk, Bread, Sugar,