Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mayhew 1952
Mallard Thomas E 45
Experimental Date Set Rel. Hum. No. set No. fertile No. hatched No. Times dipped
3/14/52 40% 30 15 0 0
3/29/52 40 14 11 0 1
3/14/52 65 24 16 0 0
3/29/52 65 16 12 1 0
3/14/52 75 24 16 0 0
3/29/52 75 20 14 2 1
3/14/52 85 35 20 0 0
3/29/52 85 18 15 0 0
3/14/52 90 22 11 0 0
3/29/52 90 15 10 0 1
Totals 218 140 3