Report of the Commissioner of Agriculture for the Year ...U.S. Government Printing Office, 1884 |
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acre adult affected Agriculture animals appearance average bagasse Barley beetle Buckwheat bugs bushels cabbage cane Carolina cattle cause cent color condition cotton cows crop cut-worms destroyed diffusion disease eggs emulsion endosperm ensilage Entomologist ergot examination experiments exports farm feeding feet female flour foot-and-mouth disease forests fruit gallons gangrenous grain growth hatched herd Illinois inch increase Indian corn infested injury insect Iowa joint juice July June Kansas kerosene killed lands large number larva larvæ leaf leaves less lung micrococci middle Mississippi Missouri mites moth nearly North Carolina Oats observed Ohio oviposition parasite plants Plate pleuro-pneumonia portion Potatoes pounds pupa quantity Railroad remedy Saint Lawrence County season sorghum South species specimens spring spruce sucrose sugar surface Syngamus Territories timber tion Tobacco Total trachea trees Virginia Washington weight wheat winter worms yellow yield York young
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Side 326 - Heat the solution of soap and add it boiling hot to the kerosene. Churn the mixture by means of a force pump and spray nozzle for five or ten minutes. The emulsion, if perfect, forms a cream which thickens on cooling and should adhere without oiliness to the surface of the glass.
Side 468 - The diagram illustrates the operation of a law in industrial economy by which the value of farm lands depends more upon the proper distribution of productive labor in industries than upon the fertility of the soil, and that the "farmer's income is highest where farms are fewest.
Side 16 - No. 4. Report upon the numbers and values of farm animals, on certain causes affecting wages of farm labor, and on freight rates of transportation companies.
Side 350 - After feeding as long as the sap flows, they become torpid and remain in this condition until spring. At the opening of spring the eggs develop with great rapidity and distend the -body greatly, causing it to become convex instead of flat. The color is now yellowish, marked with dark brown, and the insect now absorbs sap with groat rapidity and ejects drops of honey-dew.
Side 293 - Harris, in drawing up his description, says simply that it was one of five species of cut- worms procured in the months of June and July : " Some of them were dug up among cabbage-plants, some from potato-hills, and others from the corn-field and flower garden
Side 308 - ... continue through the summer, and sufficient perfect insects survive the winter to insure a full crop of them for the coming season. " 'This, tribe of insects do not seem liable to the attacks of any of the cannibal races, either in the egg state or at any other stage. Our birds pay no attention to them, neither will the domestic fowls touch them. I have as yet found no way to get clear of them but to pick them off by hand.
Side 349 - The young lice (Fig. 1, o) hatch in spring or early summer, walk about actively as soon as born, and settle along the ribs of the leaves (very rarely on the young twigs). They then insert their beaks and begin to pump up sap and to increase in size, a thin layer of a waxy secretion immediately beginning to cover the dorsum. In a little more than three weeks they have increased to double their size at birth, and undergo their first molt, shedding the skin, it is supposed, in small fragments.
Side 158 - ... extent, and the growth force seemed to turn towards the lateral branches. In the pine forests of the Pacific coast there was no danger of error in fixing the age of the average tree of 60 feet high at about fifty years, and the circles or rings in those cut down would be found to correspond so nearly that it was quite safe to assume a single circle for a year. The remarkable uniformity in the diameter of the annual growths would also enable one to tell the age sufficiently accurate for general...
Side 318 - Thus it has come to be the accepted belief that the pest passes the winter in all three of its later stages — the maggot, the puparium and the fly. The experience of Mr.
Side 324 - We have, further, the spectacle of an underground insect possessing the power of existence even when confined to its subterranean retreats. It spreads in the wingless state from vine to vine, and from vineyard to vineyard, when these are adjacent, either through passages in the ground itself or over the surface; at the same time it is able in the winged condition to migrate to much more distant points.