( 124A ) 



performed have already beeu described ; they reached about the 

 limit of human endurance. Without great organizing ability the 

 experiment could nob have been successful, as difficulties aroge 

 day by day which had to be met day by day wiuh new adaptations. 

 These services rendered so ungrudgingly and cheerfully by Messrs. 

 B. A. Smythies, E. Benskiu, and M. J. McDonald deserve the most 

 cordial recognition. 



