 He then transferred to India, traveling initially to Hamburg where, though both were in disguise and had no political principles in common, he was warned by Napper Tandy to flee to Danish territory in Altona.He continued overland through Germany, Austria, and Serbia, to the Euxine where he felt obliged to force his ship's captain at gunpoint to take him to Constantinople as agreed, rather than a corsair port for murder or slavery.He passed through Greece without recorded incidents, and took ship for Aleppo.