Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mayhew
1953
Experimental Mallard Box 4 E 81
Date Relative Humidity Temp. (°C.)
6/8 67 36
6/17 65 38
6/18 65 38