Collingwood, British admiral, [239], [243]; at Trafalgar, [272], [274-277]
Colonna, admiral of Papal States, [102], [105]
Colport, British admiral, [233]
Columbus, [112], [120], [121]; voyages of, [122-125]
Commerce, of Phœnicians, [16-19]; under Roman Empire, [70]; with the East, [110], [113-118]; in northern Europe, [131-132]; in modern times, [312-313]
Commerce Warfare, in Dutch War of Independence, [137-138]; in Napoleonic Wars, [259-260]; in War of 1812, [281], [284]; in World War, [369], [419-440]
Communications, in warfare, [446]
Compass, introduction of, [111]