We spent some time in collecting our terrified pack mules and scattered baggage, finally crossing the bayou at a shallow point some distance above the ford. In the meantime, one of the mozos speared one of the eels, as they had become very sluggish and were swimming aimlessly about the surface, after having spent so much of their galvanic force. The captured specimen was about two and a half feet in length and would weigh about eight pounds. It had an olive green color and the upper part of the head was mingled with red. Two rows of yellow spots are placed symmetrically along the back, each spot containing an execretary aperture, which were its galvanic batteries. It possessed an enormous swimming bladder, which accounts for its great agility and swiftness in the water. The creature looks more like a fish than an eel, and is very difficult to capture in nets, owing to its agility and a habit of burying itself in the mud when frightened. The electric action of the eel depends entirely upon its own will and a shock can be given whether it is touched by one or both hands to complete the circuit. When wounded, their power is almost destroyed and they are able to give only feeble shocks. Humboldt describes putting both feet upon a newly-captured specimen, which rendered him entirely powerless for a considerable time. The shock was so great that he suffered all day from pains in his knee and back. Though caught easily with a harpoon, the natives have such an intense dread of them that it is difficult for naturalists to secure specimens. The peons have an idea that one can escape the shock, while going through waters infested by the eels, if he carries a chew of tobacco in his mouth. This supposed influence of tobacco upon animal electricity is not entirely without some scientific basis, but in the form of a quid in the mouth it is, of course, purely imagination. It is not an uncommon thing for a large colony of these eels, to attack and drown a horse in mid-stream, which they will leisurely devour afterwards. It is recorded that, during the patriot wars in Venezuela, a large army marching through the Llanos was seriously disabled in crossing a bayou infested with these mischievous creatures. At Damarara, British Guiana, in the early days, these eels were employed by the medical fraternity, to cure paralytic troubles, just as the torpedo fish was employed by the ancient Greeks. Andrew James Miller. THE CAMEL. We were on the road to Biskra, the “Queen of the Desert.” Sand, sand everywhere, as we looked across the dreary spaces as far as the eye could reach. Frequently the monotony was relieved by the long lines of caravans passing to and fro; they were picturesque and poetical; they moved with stately motion and graceful swing across the background of never-ending and often shifting sand.