No CrossRef data available.
Published online by Cambridge University Press: 01 May 2009

page 100 note 1 This was pointed out by Beche, De la (loc. cit., p. 597Google Scholar). Fossils which are found in a crushed state in the shale are uncrushed in the concretions. This is the case, for instance, with the Christian Malford ammonites, as Pratt long ago noticed.