Here my reflections came to an untimely end, for the insect orchestra, of whose performances I have spoken, was reinforced by the addition of a picolo, in the shape of one of those minute specimens of creation commonly called mosquito, whose note, "most musical, most melancholy," blended with the trombone of the blue bottle fly in a manner rather more curious than pleasing. And the different sounds produced by these insects were no less unlike than their modes of approaching their victims; the latter, with bull-headed obstinacy, bouncing against your face in a blundering way, with apparently no particular object excepting that of making himself generally disagreeable, while the former, lighting upon you as delicately as a snow flake, proceeds with admirable promptitude and definiteness of purpose to take out his lancet, and, like some never-failing humorist, is always "in the vein." The tones of this insect Æolian rose and fell for a little time at a distance, but I was speedily aware of its presence in immediate proximity to my ear, and apparently making a tour of observation around my head, whereupon I commenced a blind sort of defence by flourishing my hands as noiselessly as possible round the region invaded, to as little purpose, however, as the attack of regular troops upon a body of Indians; for in a moment the music ceased, and I felt the sharp prick which informed me that I was hit, and I instinctively inflicted an energetic slap upon the spot, by which my enemy was extinguished, and one bill at least effectually cancelled. This result was not attained without a report, which so violently broke the silence, that I stood for a moment in breathless suspense, fearing that the sound would penetrate into the realms of Morpheus, and that thus I might pay too dearly for my triumph. But the sleeper "made no sign," and I was again left to my solitary musings. A small pistol which I had observed my sleeping friend place under his head, on going to bed, did not tend to increase the comforts of my position, for since he had become so restless, the thought passed through my mind that he might have heard some suspicious noise in my direction, and was feigning sleep, while on the watch for its repetition. If this were the case, the discovery of a supernumerary on the premises, might lead to a hasty assault on the supposed midnight prowler, and also a more rapid transfer of the contents of the pistol to me than would be either agreeable or wholesome, before I could offer any reasonable explanation for my presence behind the door at such an unseasonable hour. After a while, however, a renewal of the snoring, which was occasionally echoed by the occupant of the adjoining room, assured me of the absence of belligerent intentions, and the buzzing of the flies before mentioned, with the ticking of a clock in the office, were the only additional sounds that broke upon the silence.