DEDICATED TO THE MEMORY OF THE LATE
DR. J. J. BIGSBY, F.R.S.,
OF LONDON,
The painstaking and accurate Author
of the Thesaurus Siluricus and Devonico-Carboniferous,
a warm and kind Friend and Christian Gentleman
and one of the
Pioneers of Canadian Geology.
Reminiscences of Lyell's Work—Tidal Flats of the Bay of Fundy—Rill Marks and Shrinkage Cracks—Worm Trails and Burrows—The Paces of Limulus—Fucoids Versus Trails—Footprints of Vertebrates
Track of Limulus.—Modern, Orchard Beach. Showing its resemblance to the Protichnites of the Cambrian. ([Page 320.])
[CHAPTER XI.]
MARKINGS, FOOTPRINTS AND FUCOIDS.