The figures of these men and women straggled past the flower-bed with a curiously irregular movement not unlike that of the white and blue butterflies who crossed the turf in zig-zag flights from bed to bed. The man was about six inches in front of the woman, strolling carelessly, while she bore on with greater purpose, only turning her head now and then to see that the children were not too far behind. The man kept this distance in front of the woman purposely, though perhaps unconsciously, for he wished to go on with his thoughts.