Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Besides what collected saw many Byssmochia
(two species, the com. one has crasse plicatines), Ordov.
lophosia, C. senaria, Qd. medi, O. sinuata ? (all in
small packets, maybe returned), E. modesta (like three
below)
There is no evidence of open-cracking nor any
evidence of sub-aerial kinds. The nature of sedimentation
is the same throughout. the Orpordillian and Richmon-
dian.
At different levels saw indistinct large
ripples and in the lowest layers the small ripples 3/8
inch apart.