In Asia Many Of The Males, And All The Females, Are Without Tusks, But In Africa Both Sexes Are Provided With These Weapons.

The enamel in the molar teeth is arranged differently in the two species.

By an admirable provision, new teeth constantly come up at the part where in man the wisdom teeth appear, and these push the others along, and out at the front end of the jaws, thus keeping the molars sound by renewal, till the animal attains a very great age. The tusks of animals from dry rocky countries are very munch more dense and heavier than those from wet and marshy districts, but the latter attain much the larger size.

The Shire marshes support prodigious numbers of many kinds of water- fowl. An hour at the mast-head unfolds novel views of life in an African marsh. Near the edge, and on the branches of some favourite tree, rest scores of plotuses and cormorants, which stretch their snake-like necks, and in mute amazement turn one eye and then another towards the approaching monster. By and-by the timid ones begin to fly off, or take "headers" into the stream; but a few of the bolder, or more composed, remain, only taking the precaution to spread their wings ready for instant flight. The pretty ardetta (Herodias bubulcus), of a light yellow colour when at rest, but seemingly of a pure white when flying, takes wing, and sweeps across the green grass in large numbers, often showing us where buffaloes and elephants are, by perching on their backs. Flocks of ducks, of which the kind called "Soriri" (Dendrocygna personata) is most abundant, being night feeders, meditate quietly by the small lagoons, until startled by the noise of the steam machinery. Pelicans glide over the water, catching fish, while the Scopus (Scopus umbretta) and large herons peer intently into pools. The large black and white spur-winged goose (a constant marauder of native gardens) springs up, and circles round to find out what the disturbance can be, and then settles down again with a splash. Hundreds of Linongolos (Anastomus lamelligerus) rise on the wing from the clumps of reeds, or low trees (the Eschinomena, from which pith hats are made), on which they build in colonies, and are speedily high in mid-air. Charming little red and yellow weavers (Ploceidae) remind one of butterflies, as they fly in and out of the tall grass, or hang to the mouths of their pendent nests, chattering briskly to their mates within. These weavers seem to have "cock nests," built with only a roof, and a perch beneath, with a doorway on each side. The natives say they are made to protect the bird from the rain. Though her husband is very attentive, we have seen the hen bird tearing her mate's nest to pieces, but why we cannot tell. Kites and vultures are busy overhead, beating the ground for their repast of carrion; and the solemn-looking, stately-stepping Marabout, with a taste for dead fish, or men, stalks slowly along the almost stagnant channels. Groups of men and boys are searching diligently in various places for lotus and other roots. Some are standing in canoes, on the weed- covered ponds, spearing fish, while others are punting over the small intersecting streams, to examine their sunken fish-baskets.

Towards evening, hundreds of pretty little hawks (Erythropus vespertinus) are seen flying in a southerly direction, and feeding on dragon-flies and locusts. They come, apparently, from resting on the palm-trees during the heat of the day. Flocks of scissor-bills (Rhyncops) are then also on the wing, and in search of food, ploughing the water with their lower mandibles, which are nearly half an inch longer than the upper ones.

At the north-eastern end of the marsh, and about three miles from the river, commences a great forest of palm-trees (Borassus Aethiopium). It extends many miles, and at one point comes close to the river. The grey trunks and green tops of this immense mass of trees give a pleasing tone of colour to the view. The mountain-range, which rises close behind the palms, is generally of a cheerful green, and has many trees, with patches of a lighter tint among them, as if spots of land had once been cultivated. The sharp angular rocks and dells on its sides have the appearance of a huge crystal broken; and this is so often the case in Africa, that one can guess pretty nearly at sight whether a range is of the old crystalline rocks or not. The Borassus, though not an oil-bearing palm, is a useful tree. The fibrous pulp round the large nuts is of a sweet fruity taste, and is eaten by men and elephants. The natives bury the nuts until the kernels begin to sprout; when dug up and broken, the inside resembles coarse potatoes, and is prized in times of scarcity as nutritious food. During several months of the year, palm-wine, or sura, is obtained in large quantities; when fresh, it is a pleasant drink, somewhat like champagne, and not at all intoxicating; though, after standing a few hours, it becomes highly so. Sticks, a foot long, are driven into notches in the hard outside of the tree - the inside being soft or hollow - to serve as a ladder; the top of the fruit-shoot is cut off, and the sap, pouring out at the fresh wound, is caught in an earthen pot, which is hung at the point. A thin slice is taken off the end, to open the pores, and make the juice flow every time the owner ascends to empty the pot. Temporary huts are erected in the forest, and men and boys remain by their respective trees day and night; the nuts, fish, and wine, being their sole food. The Portuguese use the palm-wine as yeast, and it makes bread so light, that it melts in the mouth like froth.

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