Besides the alligator and the cawana, there are in these rivers many other destructive animals of a terrible appearance, such as the devil jack diamond fish, the saw fish, the horn fish, and, above all, the much dreaded gar. The first of these is often taken in summer in the lakes and bayous, which, deprived of water for a season, are transformed into pastures; these lakes, however, have always a channel or deeper part, and there the devil jack diamond has been caught, weighing four hundred pounds and upwards.
The saw fish is peculiar to the Mississippi and its tributaries, and varies in length from four to eight feet. The horn fish is four feet long, with a bony substance on his upper jaw, strong, curved, and one foot long, which he employs to attack horses, oxen, and even alligators, when pressed by hunger. But the gar fish is the most terrible among the American ichthyology, and a Louisiana writer describes it in the following manner:--
"Of the gar fish there are numerous varieties. The alligator gar is sometimes ten feet long, and is voracious, fierce, and formidable, even to the human species. Its dart in rapidity equals the flight of a bird; its mouth is long, round, and pointed, thick set with sharp teeth; its body is covered with scales so hard as to be impenetrable by a rifle-bullet, and which, when dry, answers the purposes of a flint in striking fire from steel; its weight is from fifty to four hundred pounds, and its appearance is hideous; it is, in fact, the shark of rivers, but more terrible than the shark of the sea, and is considered far more formidable than the alligator himself."
It is, in fact, a most terrible animal. I have seen it more than once seizing its prey, and dragging it down with the rapidity of an arrow. One day while I was residing at Captain Finn's upon the Red River, I saw one of these monsters enter a creek of transparent water. Following him for curiosity, I soon perceived that he had not left the deep water without an inducement, for just above me there was an alligator devouring an otter.
As soon as the alligator perceived his formidable enemy, he thought of nothing but escape to the shore; he dropped his prey and began to climb, but he was too slow for the gar fish, who, with a single dart, closed upon it with extended jaws, and seized it by the middle of the body. I could see plainly through the transparent water, and yet I did not perceive that the alligator made the least struggle to escape from the deadly fangs; there was a hissing noise as that of shells and bones crushed, and the gar fish left the creek with his victim in his jaws, so nearly severed in two, that the head and tail were towing on each side of him.
Besides these, the traveller through rivers and bayous has to fear many other enemies of less note, and but little, if at all, known to naturalists. Among these is the mud vampire, a kind of spider leech, with sixteen short paws round a body of the form and size of the common plate; the centre of the animal (which is black in any other part of the body) has a dark vermilion round spot, from which dart a quantity of black suckers, one inch and a half long, through which they extract the blood of animals: and so rapid is the phlebotomy of this ugly reptile, that though not weighing more than two ounces in its natural state, a few minutes after it is stuck on, it will increase to the size of a beaver hat, and weigh several pounds.
Thus leeched in a large stream, a horse will often faint before he can reach the opposite shore, and he then becomes a prey to the gar fish; if the stream is but small and the animal is not exhausted, he will run madly to the shore and roll to get rid of his terrible blood-sucker, which, however, will adhere to him, till one or the other of them dies from exhaustion, or from repletion. In crossing the Eastern Texas bayous, I used always to descend from my horse to look if the leeches had stuck; the belly and the breast are the parts generally attacked, and so tenacious are these mud vampires, that the only means of removing them is to pass the blade of a knife under them and cut them off.
But let us leave these disgusting animals, and return to the upland woods and prairies, where nature seems ever smiling, and where the flowers, the birds, and harmless quadrupeds present to the eye a lively and diversified spectacle. One of the prettiest coups-d'oeil in the world is to witness the gambols and amusements of a herd of horses, or a flock of antelopes. No kitten is more playful than these beautiful animals, when grazing undisturbed in the prairies; and yet those who, like the Indian, have time and opportunity to investigate, will discover vices in gregarious animals hitherto attributed solely to man.
It would appear that, even among animals, where there is a society, there is a tyrant and paria. On board vessels, in a school, or any where, if man is confined in space, there will always be some one lording over the others, either by his mere brutal strength or by his character; and, as a consequence, there is also another, who is spurned, kicked, and beaten by his companions, a poor outcast, whom everybody delights in insulting and trampling upon; it is the same among gregarious brutes. Take a flock of buffaloes or horses, or of antelopes; the first glance is always sufficient to detect the two contrasts. Two of the animals will stand apart from the herd, one proudly looking about, the other timid and cast down; and every minute some will leave their grazing, go and show submission, and give a caress to the one, and a kick or a bite to the other.
Such scenes I have often observed, and I have also witnessed the consequence, which is, that the outcast eventually commits suicide, another crime supposed to be practised only by reasoning creatures like ourselves. I have seen horses, when tired of their prairie life, walk round and round large trees, as if to ascertain the degree of hardness required; they have then measured their distance, and darting with furious speed against it, fractured their skull, and thus got rid of life and oppression.