THIS WORK IS DEDICATED IN AFFECTIONATE REMEMBRANCE TO 



MY FATHER, 



THE LATE 



GEORGE WALL 

 (1820 to 1894). 



recipient of the cobden gold medal for philanthropy, 



fellow of the royal astronomical society of london. 



fellow of the linnean society of london, 



who devoted many leisure hours of a long and busy life 

 to the interests of ceylon. 



FOR MANY YEARS MEMBER OF THE LEGISLATIVE COUNCIL 

 OF CEYLON. 



VICE-PRESIDENT OF THE CEYLON BRANCH OF THE ROYAL 



ASIATIC SOCIETY, CHAIRMAN OF THE PLANTERS' 



ASSOCIATION OF CEYLON, MEMBER OF THE 



MUNICIPAL COUNCIL OF COLOMBO. 



