The Shipley Collection of Scientific Papers, Volume 1141880 |
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... ganglion cells enclosing a kernel of nerve fibres , which lie on the inner side and connect the successive ganglia . There are still distinct thoracic and abdominal ganglia for each segment , and there is also a pair of separate ganglion ...
... ganglion cells enclosing a kernel of nerve fibres , which lie on the inner side and connect the successive ganglia . There are still distinct thoracic and abdominal ganglia for each segment , and there is also a pair of separate ganglion ...
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... ganglion of the cheliceræ has now united with the supra- œsophageal ganglion . It forms , as is shown in fig . 20 b ( ch . g . ) , a part of the œsophageal commissure , and there is no sub- œsophageal commissure uniting the ganglia of ...
... ganglion of the cheliceræ has now united with the supra- œsophageal ganglion . It forms , as is shown in fig . 20 b ( ch . g . ) , a part of the œsophageal commissure , and there is no sub- œsophageal commissure uniting the ganglia of ...
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... ganglion . A transverse commissure connects the two ( vide fig . 20 b ) . The dorsal hemispherical lobes are derived from the part which , at the earlier stage , contained the semicircular grooves . When the supra - oesophageal ganglia ...
... ganglion . A transverse commissure connects the two ( vide fig . 20 b ) . The dorsal hemispherical lobes are derived from the part which , at the earlier stage , contained the semicircular grooves . When the supra - oesophageal ganglia ...
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... ganglion , confirms the conclusions of most previous investigators , and shows that these appendages are equivalent to the mandibles , or possibly the first pair of maxilla of other Tracheata . The invagination , which I have found , of ...
... ganglion , confirms the conclusions of most previous investigators , and shows that these appendages are equivalent to the mandibles , or possibly the first pair of maxilla of other Tracheata . The invagination , which I have found , of ...
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... ganglion . 7. 1. Lower lip . m . Muscles . me . Meso- blast . mes . Mesenteron . mp.g. Malpighian tube . ms . Mesoblastic somite . a . Esophagus . p . c . Pericardium . pr . Proctodæum ( rectum ) . pd . Pedipalpi . pd . g . Ganglion of ...
... ganglion . 7. 1. Lower lip . m . Muscles . me . Meso- blast . mes . Mesenteron . mp.g. Malpighian tube . ms . Mesoblastic somite . a . Esophagus . p . c . Pericardium . pr . Proctodæum ( rectum ) . pd . Pedipalpi . pd . g . Ganglion of ...
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Página 61 - ... illustration, which we have only to go into the garden to find. There we may see in abundance what is now upon the screen — the webs of those beautiful geometrical spiders. The radial threads are smooth, like the one you saw a few minutes ago, but the threads that go round and round, are beaded. The spider draws these webs slowly, and at the same time pours upon them a liquid, and still further to obtain the effect of launching a liquid cylinder in space, he, or rather she, pulls it out like...