John C. Hutcheson, The Penang Pirate
“ When they are all gathered they’re spread out in the sun and dried, and then sent off in bags to whoever wants ’em.”“And where are they principally grown?” said I.“Why, Pemba. That’s an island up above Zanzibar, about sixty miles from the coast, though they’re very good cloves grown on Zanzibar Island too; but Pemba is the chief place, and it is to there that the chief runs of slaves are made by the Arab dhows. That is why the London was so long stationed thereabouts: it was in order to intercept these craft and stop the traffic.” ”
