As a memorial of his work the Duff Hall was erected in the centre of the educational buildings of Calcutta; and a fund of Li 13000 was raised for his disposal, the capital of which was afterwards to be used for invalided missionaries of his own church.
Kitchener unsuccessfully endeavoured to capture Osman Digna on the 17th of January 1888, but in the attack was himself severely wounded, and was shortly after invalided.
The largest of these investments served for paying the pensions of the invalided, and amounted originally to 28,000,000.