Sentence Examples


  • Is a proboscis) - with rare exceptions these forms have a siphonate its whole length, except in Adeorbis and Valvata; in the latter alone it is bipectinate.
  • In this way the notches d, e of the hinder part of the mantle-skirt of Anodonta are in the siphonate forms converted into two separate holes, the edges of the mantle being elsewhere fused together along this hinder margin.
  • In siphonate forms the pallial muscle is not simple, but is indented posteriorly by a sinus formed by the muscles which retract the siphons.
  • Although the structured of the ctenidium is thus highly complicated in Anodonta, it is yet more so in some of the siphonate genera of Lamellibranchs.
 
 

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