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The porphyritic lavas are affected by the action of the sulphuric acid: the alumine, magnesia, soda, and metallic oxides gradually disappear; and often nothing remains but the silex, which unites in mammillary plates, like opal. It is not easy to form an idea of the origin of these incrustations.

It is quite possible for a phosphatic incrustation to be found about a foreign body tolerated in this location for some time. Hubbauer speaks of a young girl of nineteen in whose vagina there was a glass fixed by incrustations which held it solidly in place. It had been there for six months and was only removed with great difficulty.

Soon afterwards we came on other shallow half dry salt-water creeks, the dry parts of which were covered with thick incrustations of salt, some of which we collected. Our bullocks were very seriously bogged in crossing one of them. After passing this intricate meshwork of boggy channels, we entered upon an immense plain, with patches of forest appearing here and there in the distance.

To resist this clarification, to love the chance incrustations that encumber human ideas, is a piece of timid folly, and poetry in this respect is nothing but childish confusion. Poetic apprehension is a makeshift, in so far as its cognitive worth is concerned; it is exactly, in this respect, what myth is to science.

The saline incrustations, near Bahia Blanca, are not confined to, though most abundant on, the low muddy flats; for I noticed some on a calcareous plain between thirty and forty feet above the sea, and even a little occurs in still higher valleys.

The chimneys, from which the thatch had sank down, stood up with the incrustations of lime that had been trowelled round their bases, projecting uselessly out from them; some of the quoins had fallen from the gable; the plaster came off the walls in several places, and the whitewash was sadly discolored. Inside, the aspect of everything was fully as bad, if not worse.

Thus, for example, there are fissures at the foot of the eastern declivity of the Sierra Nevada in the state of that name, from which boiling water and steam escape, forming siliceous incrustations on the sides of the fissures. In one case, where the fissure is partially filled up with silica inclosing iron and copper pyrites, gold has also been found in the vein-stone.

Side and killed a Cow & Calf the calf was verry fine their bases. it is somewhat singular that the lower part of these hills appear to be formed of a dark rich loam while the upper region about 150 feet is formed of a whiteish brown sand, so hard in many parts as to resemble stone; but little rock or stone of any kind to be seen in these hills. the river is much narrower than usual, the bed from 200 to 300 yards only and possessing a much larger proportion of gravel than usual. a few scattering cottonwood trees are the only timber near the river; the sandbars, and with them the willow points have almost entirely disappeared. greater appearance than usual of the saline incrustations of the banks and river hills. we passed two creeks the one on Stard. side, and the other just below our camp on the Lard. side; each of these creeks afford a small quantity of runing water, of a brackish tast. the great number of large beds of streams perfectly dry which we daily pass indicate a country but badly watered, which I fear is the case with the country through which we have been passing for the last fifteen or twenty days.

The eternal and abiding was in them, but lost to them, covered with incrustations of self and buried deep beneath the lesser and the meaner man. There were times in a man's life when the better nature gave hints of its existence. The mission of Christ was to awaken these hints.

Where the saline incrustations did not cover the ground, there grew a short, sour herbage, browsed upon by blesboks, wilde beests, and several other species of antelopes. These animals, as well as some stunted trees, at times appeared suspended in the air, and magnified far beyond natural size.