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 1
Date
Relative Humidity
Temp.(°C.)
4/9
42
39
4/11
51
38.5
4/12
50
38.5
4/13
49
38.5
4/14
47
39
4/15
40
38.5
4/16
40
39
4/18
40
39
4/19
37
39
4/20
51
38.5
4/21
46
39
4/22
42
39
4/24
37
39
4/25
45
39
4/27
42
38.5
4/29
39
39
4/30
39
39
5/1
41
39
5/3
37
39
5/6
38
40
5/7
45
39
5/9
38
41
5/11
38
40
5/14
43
39
5/17
37
38
5/19
43
38
5/21
45
38
5/22
52
38
5/26
42
38
5/27
46
37.5
E 73