Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mayhew
1952
Mallard
E 18
Experimental R.H.
Thomas eggs set 3/29/52
Dipped
embryo
size
40%
63 mm. - 9.7 gms.
75 " - 18.4 " (dead before dipping)
o
58 " - 4.4
63 " - 8.8 " (d.b.d.)
x
57 " - 5.4 " (d.b.d.)
x
60 " - 7.7 " (d.b.d.)
x
82 " - 18.0 " (d.b.d.)
o
35 mm. - 3.3 gms. (d.b.d.)
o
55 " - 6.6 " (d.b.d.)
o
58 " - 8.5 " (d.b.d.)
x
4. 44 " - 3.6
65%
5. 64 " - 11.4
6. 92 " - 20.0 " (?)
x
7. 39 " - 3.6 " (d.b.d.)
o
8. 82 " - 15.9 " (d.b.d.)
9. 81 " - 19.5 " (?)
o
10. 79 " - 16.4 " (d.b.d.)
x
80 mm. - 20.6 gms.
75%
2. 82 " - 15.6 " (d.b.d.)
x
3. 79 " - 17.2
4. 81 " - 16.3 " (d.b.d.)
x
5. 92 " - 20.4
1. 76 mm. - 14.8 gms.
85%
2. 90 " - 27.9
3. 88 " - 28.1
1. 83 mm. - 20.3 gms.
o
95%
2. 49 " - 5.1
o
3. 66 " - 18.1
o
x = dipped 5 times
do = dipped once