The Gypsy Moth. Porthetria Dispar (Linn.). a Report of the Work of Destroying the Insect in the Commonwealth of Massachusetts, Together With An Account of Its History And Habits Both in Massachusetts And Europe
The Gypsy Moth. Porthetria Dispar (Linn.). a Report of the Work of Destroying the Insect in the Commonwealth of Massachusetts, Together With An Account of Its History And Habits Both in Massachusetts And Europe
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In our eReader you can find the full English version of the book. Read The Gypsy Moth. Porthetria Dispar (Linn.). a Report of the Work of Destroying the Insect in the Commonwealth of Massachusetts, Together With An Account of Its History And Habits Both in Massachusetts And Europe Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Gypsy Moth. Porthetria Dispar (Linn.). a Report of the Work of Destroying the Insect in the Commonwealth of Massachusetts, Together With An Account of Its History And Habits Both in Massachusetts And Europe
What reading level is The Gypsy Moth. Porthetria Dispar (Linn.). a Report of the Work of Destroying the Insect in the Commonwealth of Massachusetts, Together With An Account of Its History And Habits Both in Massachusetts And Europe book?
To quickly assess the difficulty of the text, read a short excerpt:
A mixture of alcohol, sixty per cent., phenol, twenty per cent., and sulphuric acid, twenty per cent., was dropped upon some egg-clusters, turning them black and completely destroying the eggs.
March 1. A mixture of phenol, fifty per cent., turpentine and nitric acid, fifty per cent., was dropped upon some egg-clusters, entirely destroying the eggs. March 14. A mixture composed of phenol, fifty per cent., turpentine with a small amount of concentrated nitric acid, fifty per cent., 416 THE GYPSY... MOTH, was dropped upon some egg-clusters, entirely destroying the eggs.
Pyroligenovs Acid. — February 10. Eight egg-clusters were moistened with pyroligenous acid, but it would not penetrate the clusters.
Spruce Gum. — Twenty per cent, of spruce gum, thirty- five per cent, of rosin, thirty-five per cent, of cotton-seed oil, five per cent, of turpentine and five per cent, of pine tar were melted and mixed together, and some egg-clusters saturated with the solution. None of the eggs hatched.
Sulphur Di-oxide.
What to read after The Gypsy Moth. Porthetria Dispar (Linn.). a Report of the Work of Destroying the Insect in the Commonwealth of Massachusetts, Together With An Account of Its History And Habits Both in Massachusetts And Europe?
You can find similar books in the "Read Also" column, or choose other free books by Forbush, Edward Howe, 1858-1929 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
A mixture of alcohol, sixty per cent., phenol, twenty per cent., and sulphuric acid, twenty per cent., was dropped upon some egg-clusters, turning them black and completely destroying the eggs.
March 1. A mixture of phenol, fifty per cent., turpentine and nitric acid, fifty per cent., was dropped upon some egg-clusters, entirely destroying the eggs. March 14. A mixture composed of phenol, fifty per cent., turpentine with a small amount of concentrated nitric acid, fifty per cent., 416 THE GYPSY... MOTH, was dropped upon some egg-clusters, entirely destroying the eggs.
Pyroligenovs Acid. — February 10. Eight egg-clusters were moistened with pyroligenous acid, but it would not penetrate the clusters.
Spruce Gum. — Twenty per cent, of spruce gum, thirty- five per cent, of rosin, thirty-five per cent, of cotton-seed oil, five per cent, of turpentine and five per cent, of pine tar were melted and mixed together, and some egg-clusters saturated with the solution. None of the eggs hatched.
Sulphur Di-oxide.
What to read after The Gypsy Moth. Porthetria Dispar (Linn.). a Report of the Work of Destroying the Insect in the Commonwealth of Massachusetts, Together With An Account of Its History And Habits Both in Massachusetts And Europe?
You can find similar books in the "Read Also" column, or choose other free books by Forbush, Edward Howe, 1858-1929 to read onlineMoreLess
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