The 1860s were marked by a gradual spread of steamship lines in the Indian Ocean maritime region. On the long routes from Suez and Aden to India, Australia and the Far East, P&O, the “flagship” of British imperialism in the region,1 was joined from 1861 by its French counterpart, Messageries Imperiales, which in its steamship lines from Marseilles to Alexandria and from Suez to Singapore, Saigon, Hong Kong and Yokohama expressed the aspirations and elegance of Napoleon Ill's empire. The two firms politely manoeuvred for passenger traffic and the fine freights--silks, raw silk, opium, bullion and specie--which were the perfect accompaniment for mail and passenger liners....