217 
Animals;—Ninth Report of Committee on Experiments on the Growth and Vitality of Seeds ; 
—F. Ronalds, Report concerning the] Observatory of the British Association at Kew, from 
Aug. 9, 1848 to Sept. 12, 1849 ;—R. Mallet, Report on the Experimental Inquiry on Railway 
Bar Corrosion;—W. R. Birt, Report on the Discussion of the Electrical Observations at Kew. 
Together with the Transactions of the Sections, the Rev. T. R. Robinson’s Address, and 
Recommendations of the Association and its Committees, 
PROCEEDINGS or tHe TWENTIETH MEETING, at Edinburgh, 
1850, Published at 15s. 
ConTEnTs :—R. Mallet, First Report on the Facts of Earthquake Phenomena ;—Reyv. Prof. 
Powell, on Observations of Luminous Meteors ;—Dr. T. Williams, on the Structure and 
History of the British Annelida;—T. C. Hunt, Results of Meteorological Observations taken 
at St. Michael’s from the Ist of January, 1840 to the 31st of December, 1849 ;—R. Hunt, on 
the present State of our Knowledge of the Chemical Action of the Solar Radiations ;—Tenth 
Report of Committee on Experiments on the Growth and Vitality of Seeds ;—Major-Gen. 
Briggs, Report on the Aboriginal Tribes of India ;—F. Ronalds, Report concerning the Ob- 
servatory of the British Association at Kew ;—E. Forbes, Report on the Investigation of British 
Marine Zoology by means of the Dredge ;—R. MacAndrew, Notes on the Distribution and 
Range in depth of Mollusca and other Marine Animals, observed on the coasts of Spain, Por- 
tugal, Barbary, Malta, and Southern Italy in 1849 ;—Prof. Allman, on the Present State of 
our Knowledge ot' the Freshwater Polyzoa ;—Registration of the Periodical Phenomena of 
Plants and Animals ;—Suggestions to Astronomers for the Observation of the Total Eclipse 
of the Sun on July 28, 1851]. 
Together with the Transactions of the Sections, Sir David Brewster’s Address, and Recom- 
mendations of the Association and its Committees. 
PROCEEDINGS or tHe TWENTY-FIRST MEETING, at Ipswich, 
1851, Published at 16s. 6d. 
ConTENTS :—Rev. Prof. Powell, on Observations of Luminous Meteors ;—Eleventh Re- 
port of Committee on Experiments on the Growth and Vitality of Seeds ;—Dr. J. Drew, on 
the Climate of Southampton ;—Dr. R. A. Smith, on the Air and Water of Towns: Action of 
Porous Strata, Water and Organic Matter ;—Report of the Committee appointed to consider 
the probable Effects in an Economical and Physical Point of View of the Destruction of Tro- 
pical Forests ;—A. Henfrey, on the Reproduction and supposed Existence of Sexual Organs 
in the Higher Cryptogamous Plants;—Dr. Daubeny, on the Nomenclature of Organic Com- 
pounds ;—Rev. Dr. Donaldson, on two unsolved Problems in Indo-German Philology ;— 
Dr. T. Williams, Report on the British Annelida;—R. Mallet, Second Report on the Facts of 
Earthquake Phenomena ;—Letter from Prof. Henry to Col. Sabine, on the System of Meteoro- 
logical Observations proposed to be established in the United States ;—Col. Sabine, Report 
on the Kew Magnetographs ;—J. Welsh, Report on the Performance of his three Magneto- 
graphs during the Experimental Trial at the Kew Observatory ;—F. Ronalds, Report concern- 
ing the Observatory of the British Association at Kew, from September 12, 1850 to July 31, 
1851 ;—Ordnance Survey of Scotland. 
Together with the Transactions of the Sections, Prof. Airy’s Address, and Recom- 
mendations of the Association and its Committees, 
PROCEEDINGS or tHE TWENTY-SECOND MEETING, at Belfast, 
1852, Published at 15s. 
ConTENTS :—R. Mallet, Third Report on the Facts of Earthquake Phenomena ;—Twelfth 
Report of Committee on Experiments on the Growth and Vitality of Seeds ;—Rev. Prof, 
Powell, Report on Observations of Luminous Meteors, 1851-52 ;—Dr. Gladstone, on the In- 
fluence of the Solar Radiations on the Vital Powers of Plants;—A Manual of Ethnological 
Inquiry ;—Col. Sykes, Mean Temperature of the Day, and Monthly Fall of Rain at 127 Sta- 
tions under the Bengal Presidency ;—Prof. J. D. Forbes, on Experiments on the Laws of the 
Conduction of Heat;—R. Hunt, on the Chemical Action of the Solar Radiations ;—Dr. Hodges, 
on the Composition and CEconomy of the Flax Plant;—W. Thompson, on the Freshwater 
Fishes of Ulster; —W. Thompson, Supplementary Report on the Fauna of Ireland;—W. Wilts, 
onthe Meteorology of Birmingham;—J. Thomson, on the Vortex- Water- Wheel ;—J. B. Lawes 
and Dr. Gilbert, on the Composition of Foods in relation to Respiration and the Feeding of 
Animals. 
Together with the Transactions of the Sections, Colonel Sabine’s Address, and Recom- 
mendations of the Association and its Committees. 
