221 
the Committee on Balloon Ascents ;—Prof. W. Thomson, Report of Committee appointed to 
prepare a Self-recording Atmospheric Electrometer for Kew, and Portable Apparatus for ob- 
serving Atmospheric Electricity ;—William Fairbairn, Experiments to determine the Effect of 
Vibratory Action and long-continued Changes of Load upon Wrought-iron Girders ;—R. P. 
Greg, Catalogue of Meteorites and Fireballs, from a.p. 2 to A.D. 1860 ;—Prof. H. J. S. Smith, 
Report on the Theory of{Numbers, Part II. ;—Vice-Admiral Moorsom, on the Performance of 
Steam-vessels, the Functions of the Screw, and the Relations of its Diameter and Pitch to the 
Form of the Vessel ;—Rev. W. V. Harcourt, Report on the Effects of long-continued Heat, 
illustrative of Geological Phenomena ;—Second Report of the Committee on Steam-ship Per- 
formance ;—Interim Report on the Gauging of Water by Triangular Notches ;—List of the 
British Marine Invertebrate Fauna. 
Together with the ‘l'ransactions of the Sections, Lord Wrottesley’s Address, and Recom- 
mendations of the Association and its Committees. 
PROCEEDINGS or tue THIRTY-FIRST MEETING, at Manches- 
ter, September 1861, Published at £1. 
ConTENTS:—James Glaisher, Report on Observations of Luminous Meteors ;—Dr. E. 
Smith, Report on the Action of Prison Diet and Discipline on the Bodily Functions of Pri- 
soners, Part I.;—-Charles Atherton, on Freight as affected by Differences in the Dynamic 
Properties of Steamships ;—Warren De la Rue, Report on the Progress of Celestial Photo- 
graphy since the Aberdeen Meeting ;—B. Stewart, on the Theory of Exchanges, and its re- 
cent extension ;—Drs. E. Schunck, R. Angus Smith, and H. E. Roscoe, on the Recent Pro- 
gress and Present Condition of Manufacturing Chemistry in the South Lancashire District ;— 
Dr. J. Hunt, on Ethno-Climatology ; or, the Acclimatization of Man ;—Prof. J. Thomson, on 
Experiments on the Gauging of Water by Triangular Notches ;—Dr. A. Voelcker, Report on 
Field Experiments and Laboratory Researches on the Constituents of Manures essential to 
cultivated Crops ;—Prof. H. Hennessy, Provisional Report on the Present State of our Know- 
ledge respecting the Transmission of Sound-signals during Fogs at Sea;—Dr. P. L. Sclater 
and F. von Hochstetter, Report on the Present State of our Knowledge of the Birds of the 
Genus Apteryx living in New Zealand ;—J. G. Jeffreys, Report of the Results of Deep-sea 
Dredging in Zetland, with a Notice of several Species of Mollusca new to Science or to the 
British Isles;—Prof. J. Phillips, Contributions to a Report on the Physical Aspect of the 
Moon ;—W. R. Birt, Contribution to a Report on the Physical Aspect of the Moon;—Dr. 
Collingwood and Mr. Byerley, Preliminary Report of the Dredging Committe of the Mersey 
and Dee;—Third Report of the Committee on Steamship Performance ;—J. G. Jeffreys, 
Preliminary Report on the Best Mode of preventing the Ravages of Teredo and other Animals 
in our Ships and Harbours ;—R. Mallet, Report on the Experiments made at Holyhead to 
ascertain the Transit-Velocity of Waves, analogous to Earthquake Waves, through the local 
Rock Formations ;—T. Dobson, on the Explosions in British Coal-Mines during the year 1859; 
—J. Oldham, Continuation of Report on Steam Navigation at Hull ;—Professor G. Dickie, 
Brief Summary of a Report on the Flora of the North of Ireland ;—Professor Owen, on the 
Psychical and Physical Characters of the Mincopies, or Natives of the Andaman Islands, and 
on the Relations thereby indicated to other Races of Mankind ;—Colonel Sykes, Report of the 
Balloon Committee ;—Major-General Sabine, Report on the Repetition of the Magnetic Sur- 
vey of England ;—Interim Report of the Committee for Dredging on the North and East 
Coasts of Scotland ;—W. Fairbairn, on the Resistance of Iron Plates to Statical Pressure and 
the Force of Impact by Projectiles at High Velocities ;—W. Fairbairn, Continuation of Report 
to determine the effect of Vibratory Action and long-continued Changes of Load upon 
Wrought-Iron Girders ;—Report of the Committee on the Law of Patents ;—Prof. H. J. S. 
Smith, Report on the Theory of Numbers, Part III. 
Together with the Transactions of the Sections, Mr. Fairbairn’s Address, and Recommen- 
dations of the Association and its Committees. 
