/ 238 WANDERINGS AMONG SAVAGES
mass and preserved the same even formation till they disappeared in the far distance. As far as I could see there were no stragglers. They rather resembled a thick line of smoke coming out of the funnel of a steamer, with this exception that they kept the same thick line till they went out of right. The most curious thing about it was that the thick line twisted and wriggled across the sky for all the world like a giant snake, as if it were blown about by gusts of wind, of which, however, there w^s none. Even with these strange manA uvres the bats kept the same unbroken solid formation* They were still coming forth in the same manner tOl darkness set in, and then I could only hear the beating of myriads of wings like the sighing of the wind in the tree-tops.
They return in early morning in much the same fashion. I heard that the swallows usually did the saine thing, only the other way about ; when the bats came out, the swallows entered the caves, and when the bats went in, the swallows came out, but it being now their nesting season, they went in and out of the caves irregularly all day, but I was quite satisfied to see the bats go through the performance, as it was one of the most wonderful sights I have ever seen.
We had been told that it would be three or four more days before the collecting would take placeA and also that they had to wait for a good omen in the shape of a good dream coming to one of the