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 tures from a distance, but to run them down and capture them by sheer exhaustion. This the great wing-power of the caldectaa enabled us to do, though by the time we had driven the thernee to bay my own Pegasus was fairly tired. The hunters, separating and spreading out in the form of a semicircle, assisted the movements of the hawks, driving the prey gradually into a narrow defile among the hills bordering the plain to the north-eastward, whose steep upward slope greatly hindered and fatigued creatures whose natural habitat consists of level plains or seabord forests. At last, under a steep half-precipitous rock which defended them in rear, and between clumps of trees which guarded either flank—protected by both overhead—the flock, at the call of their leader, took up a position which displayed an instinctive strategy, whereof an Indian or African chief might have been proud. The caldectaa, however, well knew the vast superiority of their own strength and of their formidable beaks, and did not hesitate to carry us close to but somewhat above the thernee, as these stood ranged in line with extended fore-limbs and snouts; the latter armed with teeth about an inch and a half in length tapering singly to a sharp point, the former with spikes stronger, longer, and sharper than those of the porcupine; but, as I satisfied myself by a subsequent inspection, formed by rudimentary, or, more properly speaking, transformed or degenerated quills. The bite was easily avoided. It was not so easy to keep out of reach of the powerful fore-limb while endeavouring to strike a fatal blow at the neck with the long rapier-like cutting weapons carried by the hunters. My own shorter and sharp sword, to which I