It was to the captain of cavalry she first appealed. But even a cavalry captain, whose duty in life is to instruct sixty men in the art of taking the life of as many other men as possible, may turn his head in the direction of a good-looking girl. And when for weeks a man rides at the side of one through pine forests as dim and mysterious as the aisles of a great cathedral, when he guides her across the wet marshes when the sun is setting crimson in the pools and the wind blows salt from the sea, when he loses them both by moonlight in wood-roads where the hoofs of the horses sink silently into dusty pine needles, he thinks more frequently of the girl at his side than of the faithful troopers waiting for him in San Francisco. The girl at his side thought frequently of him.