Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
CJJ
68-19
Floating sectioned cage -
Section
1
2
3
4
5
6
7
8
9
10
11
Food - restriction
Picture taken of flood effects
□ = introduced from shelf