XXIV CONTENTS. 
Page 
3. Problems of Trade Education considered in relation to our School System. 
By C. T. Miriis, M.I.Mech:E. ........... 1Ssenstasinse tenaapereduns te Jocdtesm ne’ pr ae 
4, Day Trade School for Girls. By Mrs. J. Ramsay MAcDonatp ............ 725 
5, Technical Training of the Rank and File. By J. G. Leaen, M.A.......... 726 
EVENING DISCOURSES. 
FRIDAY, AUGUST 2. 
The Are and the Spark in Radio-Telegraphy. By W. Duppett, F.RS. ...... 728 
MONDAY, AUGUST 5. 
Recent Developments in the Theory of Mimicry. By F. A. Dixny, M.A.,M.D. 736 
LIST OF PLATES. 
Prarte I. 
Illustrating the Report on Seismological Investigations. 
Prates JI. anp ITI. 
Illustrating the Report on the Fauna and Flora of the Trias of the British Isles. 
Prate IV. 
Illustrating Mr. H. T. Ferrar’s Paper on the Physical Geography of the 
Etbai Desert of Egypt. 
