Indian Museum Notes Volume 2

Indian Museum Notes Volume 2

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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. 1891 edition. Excerpt: ...Preliminary. I I-losie: Three Years in Western China, London, 1890. 1 'Vida Dr. Wntt's Dictionary of the Economic Products of India. 3 J. Anderson: Monographia Cocci C811: /'87', Madras, 1790. ' Signoret: Ann. Soc. Ent. France (5), vol. ii, p. 40 (1872). ' "Observations and experiments on a Vl/ax-like Substance resembling the Pela of the Chinese, collected at Madras by Dr. Anderson, and called by him, ' While lac' " Philos. Trans., Royal Soc. Lond., vol. 84, p. 383 (1794). ' Embassy to China, London, 1797, vol. i, p. 353. 3 London, 1842, pl. 17. ' Journ. As. Soc. Bengal, vol. xii, p. 898 (1843). Proc. Linn. Soc. Lond., vol. ii, p. 379 (1848-55). " The flocculent matter attached to the specimens preserved in the Indian Museum collection consists of fibrous matter which not only refuses to melt, but, on the 'contrary, decomposes when heated, does not dissolve in naphtha, and under the microscope nppears to consist of minute curved filamentous particles. That observed by Dr. Murchison, on the other hand, melted on heating into transparent colourless wax, which was readily soluble in naphtha and which crystallised on cooling, into acicular crystals, arranged in stollatc masses, this form of crystalisation being one readily observable in the wax secreted by Ceroplaales cerlferus. ' But even in the event of the flocculent appendages being found in some cases to contain wax, the quantity in which they occur is so small that they can be of no practical value;. and the only reason for calling attention to them in this notice is owing to the fact that the sugary secretion, which is produced in considerable quantities by the insect, is liable to be confounded with the fiocculent...show more

Product details

  • Paperback | 78 pages
  • 189 x 246 x 4mm | 154g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236833783
  • 9781236833785