Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
| www.biodiversitylibrary.org
Transcription
Large Septuena rhomboidalis
Big Creek, Jefferson Co., F. H.
Unusually large,
Good beds
Total width = 6.6 cm.
Width of flat part of valve = 5. cm
Length of flat part of valve = 3.4 cm.
Length of bent part of valve = 2.4
Natural size.