Senate Documents, Otherwise Publ. as Public Documents and Executive Documents: 14th Congress, 1st Session-48th Congress, 2nd Session and Special Session, Volume 14

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Page 435 - We have also employed the usual term "latent heat" to express the heat which disappears when a solid is converted into a liquid, or a liquid into a vapor — though this, according to the new theory of heat, would be expressed by the quantity of vibration or mechanical energy which is absorbed in the change of state of the body and which will re-appear when the reverse process takes place. To illustrate this suppose an upward impulse be given to a ball sufficient to throw it upon a shelf. In this...
Page 364 - ... be advantageous. It is for this reason that a good operator always takes care, that the lower end of his cutting is pared down as close to the base of a bud as may be practicable without actually destroying any part of the bud itself; by this means the first emitted roots, instead of having to find their way downwards between the bark and wood, strike at once into the earth, and become a natural channel by which nutriment is conveyed into the general system of the cutting.
Page 250 - ... because they esteem it to have the strength of ten men and the sense of twelve." The species under consideration is not, however, by any means, preeminently sagacious. There are at least two other species of bears in North America: the white bear of the Arctic regions and the grizzly of California and the Western coast. The latter is the most formidable animal in America, if not in the world. RACCOON. Procyon ¡olor, Lssxxm.
Page 15 - Eighteen months to two years . . Two to three years Three to four years Four to five years Five to ten years Ten to fifteen years Fifteen to twenty years Twenty to thirty years Thirty years and upwards *Not insane Unascertained Total . Е Includes cases of alcoholism, morphia habit, etc.
Page 304 - when the grass first springs above the surface of the earth, the chief constituent of its early blades is water, the amount of solid matter being comparatively trifling ; as its growth advances, the deposition of a more indurated form of carbon gradually becomes more considerable, the sugar and soluble matter at first increasing, then gradually diminishing, to give way to the deposition of woody substance...
Page 10 - DOES. — It propels, it rows, it sculls, it screws, it warps, it tows, it elevates, it lowers, it lifts, it pumps, it drains, it irrigates, it draws, it pulls, it drives, it...
Page 49 - Hon. Henry L. Ellsworth^ Commissioner of .Patents, an appropriation of $1,000 was made by Congress for the "collection of agricultural statistics, investigation promoting agricultural and rural economy, and the procurement of cuttings and seeds for gratuitous distribution among farmers.
Page 451 - ... is probable a large amount of invisible vapor) will retard the radiation, and hence a still, cloudless night, without a deposition of dew, is considered as indicative of rain. The amount of deposition of dew will also depend upon the stillness of the atmosphere ; for if a brisk wind be blowing, the different strata of air will be mingled together, and that which rests upon the surface of the ground will be so quickly displaced as not to have time to cool down sufficiently to produce the deposition....
Page 304 - ... the culms are found to contain more nutritive matter when the seed is ripe, than those of any other species of grass that have been submitted to experiment — the value of the culms simply exceeds that of the grass when in flower in the proportion of fourteen to nine.
Page 263 - This wild fruit is known in Florida by the name of the bitter-sweet orange, which does not differ materially from the Seville orange, and probably originated from that variety. The occurrence of these trees, wherever they grow, is a sure indication of good land. For many years past, no small degree of attention has been paid to the culture of the common edible orange, at St. Augustine, and on the river St. John's. The number of trees owned by different individuals, prior to 1835, varied from ten...

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