Sentence Examples


  • In this duct and sac the spermatophores received in copulation from another snail are lodged.
  • - Development of the Pond-Snail, Limnaeus stagnalis.
  • The number of cercariae produced by the pullulating rediae in a single water-snail is immense, and as they are emitted at a given period or a few successive periods, the snail at these times appears enclosed in a cloud of whitish flocculent matter.
  • - Development of the River-Snail, Paludina vivipara.
  • - A Series of Stylommatophorous Pulmonata, showing transitional forms between snail and slug.