Studies on egg shells. XIV.βvariations i
β
C. Tyler; F. H. Geake
π
Article
π
1961
π
John Wiley and Sons
π
English
β 619 KB
## Abstract Clutches containing up to five eggs were available from 16 birds over a period of three laying seasons. Variations in egg weight, shell thickness and membrane thickness were studied in relation to the position of the egg within the clutch. It was found that generally the results agreed