Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mallard E 20
Mayhew
1952
Farmer
Thomas eggs set 3/29/52
Experimental R.H.
Dipping
1. 110 mm. — 34.7 gms.
2. 106 " — 26.8 "
3. 105 " — 30.0 "
75% 4. 106 " — 31.2 " o
5. 105 " — 32.8 " o
(embryo) size
6. Rotten, so not weighed (embryo ~60mm.) o
7. 92 " — 21.2 " o
8. 90 " — 20.8 " o
o = dipped once