Image from the Biodiversity Heritage Library.
Contributed by Harvard University Botany Libraries.
| www.biodiversitylibrary.org
Transcription
No. 1709 5a Rockaway, N.Y.
Navicula sigmata;
No. 1710 4a Stonington, Conn.
Plenotigma formosum Smith
Styalodiscus
No. 1711 5a Edgartown Harbor. outer buoys.
Chamel midway between inner
Amphitetracus