“Galloped on with no stopping, but merely to change horses until five o’clock in the evening—very tired indeed, but . . . saw fresh horses in the corral, and resolved to push on. At half-past seven, after having galloped a hundred and fifty-three miles, and been fourteen hours and a half on horseback got to the post—quite exhausted—I could scarcely speak . . . an hour before daylight was awakened by the Gaucho, got up, had some mate, mounted my horse, and as I galloped along felt pleased that the sun should find me at my work. . .”

Later in life nicknamed “Galloping Head,” for his exploits on the Argentine pampas, Sir Frances Head Bond, went to the Argentine in 1825 as mi...