CONTENTS.

Page.
Thoughts on a Pebble: Part I.[5]
More Thoughts on a Pebble: Part II.[33]
"The Nautilus and the Ammonite"[57]
Supplementary Notes[61]
NoteI.Shells in Chalk[61]
——II.Wood in Flint[66]
——III.Whitby Ammonites[69]
——IV.Fossil Nautili[72]
——V.Brighton Cliffs[75]
——VI.Rotaliæ in Chalk and Flint[79]
——VII.Isle of Wight Pebbles[82]
——VIII.Zoophytes of the Chalk[87]
——IX.Minute Corals from the Chalk[92]
——X.Infusorial Earths[97]