...Mechanically he throttled down his oxygen supply, so as to make itlast longer... 
Various 「Astounding Stories, August, 1931」
...Then he fell tocalculating his oxygen supply...
Various 「Astounding Stories, August, 1931」
...And of courseall this movement used up more than the normal amount of oxygen, sothat he was forced to open the valves on his tanks to two or threetimes their normal flow...
Various 「Astounding Stories, August, 1931」
...By evolving oxygen it brings putrescentparticles under the influence of a species of combustion,which, though slow, is as effectual as that which afurnace could accomplish...
Henry J. Slack 「Marvels of Pond-life」
...Nearly all this loss of carbon and hydrogen escaped byrespiration, while most of the water, oxygen, nitrogen, andsalts, passed off in perspiration...
Richard L. Allen 「Domestic Animals」
...8 of oxygen...
Richard L. Allen 「Domestic Animals」
...Forthis purpose a 1 per cent solution of iodid of potassium is commonly employed,although some other solutions and oxygen gas are also used...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...But occasionally, when the water in which thelarva lives is foul and poor in oxygen, the tail is thrust out of thewater so that air can be admitted directly into the intestinal chamber...
Geo. H. Carpenter 「The Life-Story of Insects」
...There is so much to see here, while the oxygen is being prepared...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...If an accident happen, I shall be the only one to suffer; and, in my opinion, it is worth a burn or two to make acquaintance with oxygen...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...The blood takes the oxygen out of the air...
Margaret Warner Morley 「The Insect Folk」
...As has been shown previously, the tadpoles ofPtychohyla are adapted for existence in torrential streams, wherethe water is cool, and the amount of oxygen is high...
William E. Duellman 「A Review of the Middle American Tree Frogs of the Genus Ptychohyla」
...The oxygen contained in it is inspiredby the blood-canals, which spread out on the parts between the gill-clefts, thegill-arches (kg)...
Ernst Haeckel 「The Evolution of Man」
...To convert this into sulphuric acid and gain more oxygen,nitric acid, which is rich in that body, is added...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
...On the other hand,pigments and bases are subject to deoxidation, or to a loss of oxygen,in which case the colour is apt to deepen...
George Field 「Field's Chromatography」
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