Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Code For Incubation Data
(Birds)
Each egg will possess three numbers:
First no. = number of clutch of that species.
Second no. = number of egg in the clutch.
Third no. = total number of eggs in the clutch.
Example: 2-1-6 = Second clutch of that species, first
egg of clutch of 6.
I = previously incubated egg.
F = fresh egg.
D = interior of egg dark when candled - incubation far along.
V = vitelline circulation can be seen when candled.