The Ornithologist and Oologist Volume 22-23

The Ornithologist and Oologist Volume 22-23

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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. 1905 edition. Excerpt: ...some nests having only the larvae and others ants, but in several ants and larvae were mixed. The larvae is athin, slender "worm," averaging three-eights of an inch in length, and in color a pale brown to almost white. The ants were small and of a reddish color. They were found also in nests containing unspotted eggs and in grassy-lined nests. The larvae were found only in feathery-lined nests, being more numerous in those lined with duck and geese feathers, and presumely feed on the matter in the shafts of the feathers. The marks on the eggs are made by these "wigglers', as following results will show. The egg when first laid is damp and would easily absorb marks of dirt be ing porous, when any dirty "worms" crawled over them. An experiment to ascertain whether the marks were made by these larvae proved satisfactory. A nest containing 5 immaculate eggs, incubating advanced, was placed in a nestfulof wriggling "worms" but after 5 minutes of expectant watching we failed to discern any marks on the eggs although many of the wrigglers had crawled over them. They were removed and placed in an ant-infected nest with the same results. My experiment I thought was a failure and I began to feel disappointed when a happy thought struck me. It was to wet or dampen the eggs, which I did, and replacing them iu the larvae-infected nest I soon had the satisfaction of proving that the markswere made by the larvae, for every one that crawled over the eggs left dirt marks upon them. Removing the eggs and wiping off the marks, I rewetted them and placed them in an ant infected nest, but though left in it for about ten minutes, during which time they were fairly over run with ants, no traces of dirt marks more

Product details

  • Paperback | 90 pages
  • 189 x 246 x 5mm | 177g
  • United States
  • English
  • black & white illustrations
  • 1236963709
  • 9781236963703