Image from the Biodiversity Heritage Library.
Contributed by Harvard University Botany Libraries.
| www.biodiversitylibrary.org
Transcription
Sunday Oct 23 -92 (illegible)
746 ?
with occasional filaments of
Calothrix fusca?
+ globules of Chroococcus on terraces
on stone abutment of Hadley
Pond dam
747 Oscillatoria foelichii var dubia?
Pool below F. P. dam