Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mayhew
1952
Mallard
Box 1
E2
Experimental Date Time Relative Humidity Temp.(°C.)
6/14 9:15 64 37.5
6/16 15:50 62 37.5