918 THE JOURNAL OF BOTANY 
1897 Carruthers was requested by the Planters’ Association 
to visit Ceylon to investigate the disease which was then rayagi 
ions. Here 
190 thers was invited to become Director of Agri- 
culture in the Malay States. Here he addressed himself to the 
introduction of suitable plants to cultivation and to the develop- 
those already grown. He was also en in the 
as an authority on the cultivation of rubber, on which he wrote 
several papers. In 1906 he was elected a Fellow of the Royal 
Society of Edinburgh. 
In the beginning of 1909, Carruthers was asked by the Colonial 
Office to transfer his sphere of labour to Trinidad. After much 
Tropies will be found in this Journal for 1909, p. 390. 
_The personal qualities which contributed no less than his 
scientific ability to Carruthers’s success have already been referred 
