kinds of, [515]
mailboats carrying despatches, [526], [531]
penalty for, [527]
seizure of despatches, [530], [531]
seizure of enemy persons, [530], [531]
transmission of intelligence, [521]
Uriu, Admiral, in Korean neutral waters, [388]
Uti possidetis, principle of, [324], [334]
Usus in bello, [78]
V