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The long, hard grinding of the granular snow seemed to be thinning the snow-crust, for though far from dark below, it kept on growing lighter. Redruff had pecked and pecked at the under side all day, till his head ached and his bill was wearing blunt, but when the sun went down he seemed as far as ever from escape. The night passed like the others, except no fox went trotting overhead.
In the lava and in the scoriae of this little crater, I found several fragments, which, from their angular form, their granular structure, their freedom from air-cells, their brittle and burnt condition, closely resembled those fragments of primary rocks which are occasionally ejected, as at Ascension, from volcanoes.
Parian marble is by far the most beautiful of the Greek marbles. It is a nearly pure carbonate of lime of creamy whiteness, with a finely crystalline granular structure, and is nearly translucent.
The long, hard grinding of the granular snow seemed to be thinning the snow-crust, for though far from dark below, it kept on growing lighter. Redruff had pecked and pecked at the under side all day, till his head ached and his bill was wearing blunt, but when the sun went down he seemed as far as ever from escape. The night passed like the others, except no fox went trotting overhead.
The only piece of embroidery entirely in crewel-stitch which I could find for illustration is worked, as it happens, in silk; nor was the worker aware that in so working she was doing anything out of the common. CHAIN and TAMBOUR STITCH are in effect practically the same, and present the same rather granular surface.
The glazed surface of the ice is an impediment to any examination from the upper side. It would be impossible to spring from brink to brink of a crevasse, as is so constantly done by explorers of Alpine glaciers where the edges of the cracks are often snowy or granular. Here the edges of the crevasses are sharp and hard, and to spring across one of any size would be almost certain death.
In the first place, the medulla contains numerous nerve cells, belonging to the vegetative, also called the sympathetic nervous system. But these nerve cells are merely minor notes of the symphony. The motif is settled by a majority of large, granular cells, which stain a distinctive yellowish-brown when the gland is fixed in a solution of bichromate of potash.
In the most hardened part of the mass the fossil shells, principally Producti, are nearly obliterated; yet even here their impressions may frequently be traced. The argillaceous limestone undergoes analogous mutations, losing its earthy texture as it approaches the dike, and becoming granular and crystalline.
As a hunting-post and refectory, the Epeira has contrived a central space, free from glue. As for the glue itself, it is hardly possible to study its chemical properties, because the quantity is so slight. The microscope shows it trickling from the broken threads in the form of a transparent and more or less granular streak. The following experiment will tell us more about it.
It is not always by any means clear through what agency the solid rock has been reduced to a granular condition; for there are beds of quartzose sand, where the sharp, angular shape of the particles renders it highly improbable that they have been formed by gradual abrasion and attrition, and where the supposition of a crushing mechanical force seems equally inadmissible.
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