Or it may not have been. But, at all events, their efforts took the shape of measuring. I fail myself to see how their measurements, be they never so accurate, could in anywise have helped them. Further, I can not comprehend how the most rigid and exact scrutiny in this respect could have even suggested a combination of facts whence a spontaneous idea could have emanated. Still, they measured, never ceasing day or night for more than a week, and always surreptitiously. They measured one night the whole of the outside of our cottage. I heard them in the night, out on the roof, crawling about like gigantic cats, and, although we learned that one man had fallen off the roof and broken his arm, we were never officially informed of the fact. They made incursions into the house, under various p