Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mayhew
1952
Mallard
Gibson
E 44
Experimental Date Set Rel. Hum. No.set No.fertile No.hatched No.times dipped
2/29/52 40% 18 5 0 0
3/14/52 40 17 10 0 0
3/29/52 40 16 14 0 0
4/12/52 40 20 19 1 1
5/24/52 40 8 4 1 1
3/14/52 65 12 6 0 0
3/29/52 65 26 23 0 0
4/12/52 65 20 16 7 1
5/24/52 65 7 2 1 1
3/14/52 75 12 8 0 0
3/29/52 75 12 12 0 0
4/12/52 75 22 19 9 1
5/24/52 75 7 2 1 1
2/29/52 85 18 6 0 0
3/14/52 85 11 7 0 0
3/29/52 85 22 19 0 0
4/12/52 85 20 15 4 1
5/24/52 85 7 6 0 1
3/14/52 90 12 8 0 0
3/29/52 90 27 20 0 0
4/12/52 90 20 19 0 1
5/24/52 90 8 6 0 1
Totals 342 246 24