Image from the Biodiversity Heritage Library.
Contributed by Harvard University, Museum of Comparative Zoology, Ernst Mayr Library.
| www.biodiversitylibrary.org
Transcription
Spiralis variabi.
1907.
July 19, 20 13 etch.
" 23, 24, 25, 31 (or last day) } man Lombricis.
August 2, 5