Bulletin Volume 1-23

Bulletin Volume 1-23

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 edition. Excerpt: ...and ever-alert sparrow. The consequence is that birds, unless driven by extreme hunger, will not swallow grain prepared by the wet method; and it is only by swallowing the whole grain that they may be killed, as the poison is disseminated throughout the grain. On the other hand, by the dry method described below, the grain presents, if recently mixed, no perceptible abnormality in colour, taste (the strychnine being in the insoluble form), or smell, and granivorous birds take it readily, dying almost immediately. "Dry Method. "The dry method was brought under my notice by Mr. J. Grigg, of Longbeach (to whom my best thanks are due), on whose station it has been used with great success, as many as two thousand birds being killed in a morning. The principle of this method is that the grain is superficially coated with particles of strychnine, which are made to adhere by damping the grain with a little fresh milk. The Government property surrounding the Burnham Industrial School presents unequalled facilities for carrying on experiments of this nature, and the grounds surrounding that institution have accordingly been the site of the latest experiments. The result of these experiments was to demonstrate indisputably that strychnine preparations, mixed dry, were so much more effective than others that I have no hesitation in advising the abandonment of other methods of mixing at present practised in the poisoning of birds in favour of the following: Ten pounds of good sound wheat is thoroughly damped with fresh milk, so that the whole grain is wet, but not dripping with moisture. Five-sixths of an ounce (avoirdupois) of powdered strychnine, not too fine, is then gradually shaken on to the grain, the whole being kept constantly stirred. When...show more

Product details

  • Paperback | 132 pages
  • 189 x 246 x 7mm | 249g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236637542
  • 9781236637543