Sentence Examples


  • In the first two volumes fossil birds, occasionally based upon a fragmentary bone only, are also included.
  • Fossil remains of members of this family have also been found in Europe in strata of the Oligocene period.
  • Fossil fuels are, without a doubt, scarce.
  • A recently discovered fossil group, the Pteridospermae have characters intermediate between the Ptendophyta and the more primitive seedplants.
  • The mineral had, however, been earlier known as a blue powdery substance, called "blue ironearth," met with in peat-bogs, in bog iron-ore, or with fossil bones and shells.