xii MENDELISM 



FIG. PAGE 



10. Small and Large-eyed Primulas 56 



11. Diagram illustrating Reversion in Pigeons ... 67 



12. Primula sinensis x Primula stellata .... 69 



13. Diagram illustrating Cross between Dominant and Re- 



cessive White Fowls 74 



14. Bearded and Beardless Wheat 75 



15. Feet of Fowls ']^ 



16. Scheme of Inheritance of Horns in Sheep ... 78 



17. Abraxas grossulariata and var. lacticolor . . . 100 



18. Scheme oi lnhenta.nce in Airaxas 102 



19. Scheme of Inheritance of Silky Hen x Brown Leghorn 



Cock 106 



20. Scheme of Inheritance of Brown Leghorn Hen x Silky 



Cock 106 



21. Scheme of Fj (ex Brown Leghorn x Silky Cock) crossed 



with pure Brown Leghorn . . . . ' . . 107 



22. Scheme for Silky Hen x Brown Leghorn Cock . . 109 



23. Scheme for Brown Leghorn Hen x Silky Cock . .110 



24. Diagram illustrating Nature of Offspring from Brown Leg- 



horn Hen X Fi Cock .111 



25. Scheme to illustrate Heterozygous Nature of Brown Leg- 



horn Hen 112 



26. Scheme of Inheritance of Colour-blindness i^ . .117 



27. Single and Double Stocks 123 



28. Fj Generation ex Silky Hen x Brown Leghorn Cock . 127 



29. Pedigree of Eurasian Family 130 



30. Curve illustrating Influence of Selection .... 159 



