It contains many interspersed crystals of selenite; between its lamina there is much powdery alum, mixed with sulphur, and it is traversed by veins of brown selenite, in slender prismatic crystals.
Yellowish-gray sandstone, composed of small rounded grains of quartz united by a powdery white basis.
The wheels of the wagon creaked and sang in the bitter cold, as they ground through the powdery snow.
The problem is solved: the colouring-matter which has just formed is murexide; and consequently the powdery substance which filled the cells was none other than uric acid, or more precisely ammonium urate.
When strength comes, the perfect insect tunnels ahead for a distance of more than four inches and opens up the exit-passage, which I find choked, not with compact sawdust, but with loosepowdery rubbish.
It is a tubular network swollen with a powdery matter which condenses into minute chalk-white spots, standing out very plainly against a transparent background.
It was a fine kind of powdery snow, which, blown on the gale, caused their cheeks to smart when it struck.
Driven by the fierce wind, the fine powdery snow managed to penetrate more or less, so that they could feel it against their faces.
Carolinianum, and (1) a magnified scale of the spike removed, with the sporangium in its axil, dischargingpowdery spores.
Pileus= clothed with a yellow dust or a yellow powdery down.
This frequently breaks up into scales, spines, bristles, minute flocculent or powdery masses, and these vary in size and in many species disappear as the plant matures.
Ordinary water is boiled in an open vessel; the water is changed to a vapour which disappears, and a white powdery earth remains in the vessel.
Lead, or any other metal except gold or silver, is calcined in the air; the metal loses its characteristic properties, and is changed into a powdery substance, a kind of cinder or calx.
The precipitation for a fortnight had been in the form of dry powdery snow and soft hail, the wind blowing it off the roof before it had a chance to thaw, thus robbing us of our usual water-supply.
Siberia vanished behind us forever in a cloud ofpowdery snow.
Frequently, for ten or fifteen miles at a stretch, we were compelled to break a road on snow-shoes for our heavily loaded sledges, and even then our tired dogs could hardly struggle through the soft powdery drifts.
The gong in front of me continues to sound lugubriously at fixed intervals, and the heralds continue to announce me to the people by prolonged cries, resounding through the little powdery streets under the still burning evening sun.
In this dry, powdery soil how can the new wheat grow, which here and there makes squares of really fresh green in the midst of the infinite grays?
And though the snow upon which the two men had fallen was thick and soft, it was not enough to hold them, and they went rolling end over end, in great clouds of powdery white, to stop only when they had reached the bottom.
For the trail skirting it gave way abruptly from powdery snow to ice of mirror slickness and slanted down sharply to a frozen lake which, unsheltered from the terrible wind, was polished constantly.
A miller's wagon, stark white with flour, driven by a powdery clown, passed in front of them behind a white horse and his black team-mate.
Our moccasins sunk through a powdery fleece so crisp, that it crushed like tinder beneath us, and the steel sleigh-runners whistled harshly over the sparkling beady surface.
The people were sandy and parched-looking, and we found the interior of the hotel little better than the outside, so far as the presence of the powdery yellow grains was concerned.
A vision of the figure before me planted out amongst flower-decked mashers and powdery belles aroused such a sense of incongruity in my mind that I could only echo feebly-- "So you have been to London!
These give the upper surface of the leaf a gray, powdery appearance, hence the name.
It was such a day as Jean Marcel had dreamed of more than a year before, in January, back in the barrens, when powdery snow crystals danced in the air as the lifting sun-dogs turned white wastes of rolling tundra into a shimmering sea.
The wind had eased, but powderysnow still drove down blanketing the near shore.
The delicate, powdery coating upon certain growing or newly-gathered fruits or leaves, as on grapes, plums, etc.
A yellowish deposit or powderycoating which appears on well-tanned leather.
The powdery heaps might have been anything organic, or anything containing fluid.
It settled down, its tail tubes pushed into the plain's powderyash scarcely a mile from the Aztec.
The Aztec's tail fins were buried in what appeared to be a powdery ash.
A great feeling of lightness comes to moccasined feet, in walking in this rarefied air through powdery snow; but fingers and toes quickly become numb without even feeling the cold.
They are powdery and gold-colored, and overhead they dangle like the tails of little fairy sheep against the sky.
Tin is removed mainly as a powdery mixture of stannate of lead and lead oxide, arsenic and antimony as a slagged mixture of arsenate and antimonate of lead and lead oxide.
A yellowish powdery mixture of zinc and lead oxides collects on the lead; it is skimmed off and sold as paint.
The stem is rather short, almost equal; green, but often paler than the cap, covered with fine powdery dust, often twisted.
In working on a large scale, the powdery metallic magnesium is then subjected to distillation at a white heat.
In a liquid state chlorine monoxide explodes even on contact withpowdery substances, or when rapidly agitated--for instance, if a file be rasped over the vessel in which it is contained.
The latter is an almost black powdery mass, decomposed by water into ammonia and sodium hydroxide.
Porous or powdery substances are very prone to act in this way, especially spongy platinum and charcoal.
