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Experiment Station Record Volume 20 download ebook

Experiment Station Record Volume 20 download ebook

Experiment Station Record Volume 20 by United States Office Stations

Experiment Station Record Volume 20
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Author: United States Office Stations
Number of Pages: 852 pages
Published Date: 13 Sep 2013
Publisher: Rarebooksclub.com
Publication Country: United States
Language: English
ISBN: 9781230102276
File size: 38 Mb
File Name: Experiment.Station.Record.Volume.20.pdf
Download Link: Experiment Station Record Volume 20
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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1909 edition. Excerpt: ...of all refuse litter and excreta at Intervals not greater than 7 days, and the application of Paris green (2 oz. to 1 gal. of water) to refuse, excreta, and screenings of stables. Brief notes on 8 other species of flies and 2 species of beetles met with during the investigation accompany the report. Flies as carriers of contagion in yaws, A. Rorkrtson (Jour. Trop. Med. and Hyg. London, 11 (1908), No. H, p. 213).--As a result of examinations the author concludes that the house fly Is capable of carrying the virus of yaws. Bee pirates, C. W. Mally (Agr. Jour. Cape Good Hope, 33 (1908), No. 2, pp. 206-213, figs. 4).--The terms "bee pirate" and "bee tiger" are used in connection with certain "digger wasps" particularly Pliilanthus diudema and Palarus latifrons, which prey upon hive bees. The bees are caught by these pirates and stored in cells in the ground to serve as food for the larva? when they hatch. Notes are given on the life history, habits, and natural enemies of the former species, for which no satisfactory remedy lias yet been found. Brief notes are given on the latter species, as well as several methods for fighting it. Some information on silkworm culture in the Philippine Islands, W. ScnuLTZE (Philippine Ayr. Rev. English ed., 1 (1908), So. 6, pp. 250-253, pi. /).--Experiments have been carried on and are still under way with a view to determining the possibility of introducing the industry into the islands. The species Attacus atlas, A. ricini, and Anthcrwa semperi are found in the islands but, so far as known, there are no cultivated species. Experiments made with Hornby T tnori and directions for raising silkworms are given. A law prohibiting the Importation by private concerns of live silkworms...

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