299 



the Excavations in Dura Den ; — Professor Buckman, Report on the Experimental Plots in the 

 Botanical Garden of the Royal Agricultural College, Cirencester ; — Rev. R. Walker, Report of 

 the Committee on Balloon Ascents; — Prof. W. Thomson, Report of Committee appointed to 

 prepare a Self-recording Atmospheric Electrometer for Kew, and Portable Appai'atus 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.d. 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 Transactions of the Sections, Lord Wrottesley's Address, and Recom- 

 mendations of the Association and its Committees. 



