Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mayhew
1952
Mallard
E26
Experimental Egg weights at 85% relative humidity.
Day #1 M #2 E33 M #3 M #4 M
gms. gms. gms. gms.
1
2
3
4
5
6
7* 58.2" 60.8" 55.0" 55.2"
8 57.9" 60.7" 54.7" 55.0"
9
10
11
12
13
14 57.5" 60.3" 54.1" 54.4"
15*
16
17
18
19
20 56.7" 59.7" 53.7" 53.7"
21
22
23* 56.2" 59.3" 53,3" 53.3"
24
25
26
27 55.5" 58.6" 52.7" 52.5"
28 55.3" 58.3" 52.4(pipped) 52.2"
* = day dipped (after weighing) (set 5/7)