|AdminHistory||Ross was asked by the French planters and officials on Mauritius to advise it regarding malaria. Ross charged £1000 as his professional fee. Sir Alfred Keogh, Director-General of the Medical Services at the War Office, appointed Major CEP Fowler, RAMC to assist Ross, especially regarding troops. Ross left England on 23 October, and travelling by a Messageries-Maritime steamer from Marseilles, reached Mauritius on 23 November 1907|
On arrival at Port Louis, Ross was taken to Government House (Le Reduit) where he was entertained by Sir Cavendish Boyle and his niece, Miss Lane. He lived in a house in Vacoas, and with Dr Lorans, Director of the Medical Health Department, spent three months visiting different places and taking the spleen rates of children, examining mosquitoes and organising preventive measures. Sir Cavendish Boyle lent the services of M d'Emmerez de Charmoy and 6,000 rupees to employ ten moustiquiers and 30 labourers.
Left on 25 February 1908, reaching London on 28 March.