11/2/1925 we came to the end of the drainage tunnel where shafts were numerous to and stokes of all shapes and sizes led off in many directions. At this point there was more space and the bats were whirling by in large numbers apparently not knowing where or why they were going. I was able to recognize some Brown leaf-nosed bats and Grandpa bats hanging from the overhanging wall before they dashed off into the darkness of lateral tunnels and stokes. From the end of the outworld tunnel we followed the vein to the left; here the workings were quite extensive. The vein had laid at at about an angle of 30° and was four to five feet thick. The guide suddenly turned to climb the stoke along the side of which we had been passing at various intervals for several minutes. I followed closely. The footwall was wet and time and again I slipped and stopped rapid descent only by grabbing a projecting ledge or the edge of a pocket. Thus we scrambled up the stoke bumping our heads on the overhanging wall all too frequently. Nearer the face of the stoke the bats commenced to fly past us in larger numbers. The guide selected a short lateral at the mouth of which we spread our net. As the guide turned to