Ponds And Rock Pools, With Hints On Collecting for And the Management of the Micro-Aquarium
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In our eReader you can find the full English version of the book. Read Ponds And Rock Pools, With Hints On Collecting for And the Management of the Micro-Aquarium 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 Ponds And Rock Pools, With Hints On Collecting for And the Management of the Micro-Aquarium
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To quickly assess the difficulty of the text, read a short excerpt:
All are small : the fresh-water forms are generally elongated ; marine Planarians are more leaf-like. If they are ' WORMS ' 107 divided, each part will continue to live and develop a new portion corresponding to that which has been cut away. Just above these are the Flukes, which lead a parasitic life, some on the skin of their hosts and others in the intestines. The common Liver- fluke {Distoiniiin hepatiaim) is a good example of the develop- ment of these creatures ; and in one of its stages ...— the Cer- caria — it is sure to be met with by collectors. The embryos are voided from the todies of slieep, and hatched in water, leading a free-swimming life for a little while. Then, if things go well with them, they bore their way into water-snails, where they increase and multiply^ giving rise to forms unlike themselves.
From these a free-swimming form (the Cercaria), like a micro- scopic tadpole, arises, and this makes its way on land, and if eaten by sheep bores into the liver, causing the disease called the 'rot.' Next to these come the Tape-worms, which may be dismissed with mere mention.
What to read after Ponds And Rock Pools, With Hints On Collecting for And the Management of the Micro-Aquarium?
You can find similar books in the "Read Also" column, or choose other free books by Henry Scherren to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
All are small : the fresh-water forms are generally elongated ; marine Planarians are more leaf-like. If they are ' WORMS ' 107 divided, each part will continue to live and develop a new portion corresponding to that which has been cut away. Just above these are the Flukes, which lead a parasitic life, some on the skin of their hosts and others in the intestines. The common Liver- fluke {Distoiniiin hepatiaim) is a good example of the develop- ment of these creatures ; and in one of its stages ...— the Cer- caria — it is sure to be met with by collectors. The embryos are voided from the todies of slieep, and hatched in water, leading a free-swimming life for a little while. Then, if things go well with them, they bore their way into water-snails, where they increase and multiply^ giving rise to forms unlike themselves.
From these a free-swimming form (the Cercaria), like a micro- scopic tadpole, arises, and this makes its way on land, and if eaten by sheep bores into the liver, causing the disease called the 'rot.' Next to these come the Tape-worms, which may be dismissed with mere mention.
What to read after Ponds And Rock Pools, With Hints On Collecting for And the Management of the Micro-Aquarium?
You can find similar books in the "Read Also" column, or choose other free books by Henry Scherren to read onlineMoreLess
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