Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mayhew
1952
Mallard E 27
Experimental Egg weights at 90% relative humidity.
Day #1 (M) #2 (M) Egg #3 (M) #4 (M) #5 (M)
1 58.6 gms. 60.6 gms. 55.8 gms. 75.0 gms. 64.5 gms.
2
3
4 58.2 " 60.2 " 55,8 " 74.7 " 64.3 "
5 *
6
7
8
9
10 57.9 " 60.0 " 55.6 " 74.4 " 63.9 "
11
12
13 * 57.8 " 59.9 " 55.4 " 74.4 " 63.9 "
( infertile )
14
15
16
17 57.3 " — 55.0 " 74.0 " —
18 57.3 " — 55.0 " 73.9 " —
19 *
20
21
22
23 ( rotten )
24 — — 54.8 " 73.6 " —
25 * — — 54.8 " 73.6 " —
26 ( rotten )
27 54.8 "
28
* = day dipped ( after weighing ) ( set 5/17 )