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120 lay close under the bank of the lane, others slipped into the San Juan River and crouched under its hither bank, while the rest lay down behind the patches of bushy jungle in the tall grass. The heat was intense, and many of the men were already showing signs of exhaustion. The sides of the hills in front were bare; but the country up to them was, for the most part, covered with such dense jungle that in charging through it no accuracy of formation could possibly be preserved. The fight was now on in good earnest, and the Spaniards on the hills were engaged in heavy volley firing. The Mauser bullets drove in sheets through the trees and the tall jungle grass, making a peculiar whirring or rustling sound; some of the bullets seemed to pop in the air, so that we thought they were explosive; and, indeed, many of those which were coated with brass did explode, in the sense that the brass coat was ripped off, making a thin plate of hard metal with a jagged edge, which inflicted a ghastly wound. These bullets were shot from a 45-calibre rifle carrying smokeless powder, which was much used by the guerillas and irregular Spanish troops. The Mauser bullets themselves made a small, clean hole, with the result that the wound healed tn a most astonishing manner. One or two of our men who were shot in the head had the skull blown open, but elsewhere the wounds