TABLE OF CONTENTS. 



Page 



Iris Color 74 



Earlobe Color 74 



General Plumage Color 74 



White vs. Dark 75 



Dominance of White 75 



Barring 75 



Andalusian Coloration 76 



White vs. Buff 76 



Black z/j. Red 76 



Color of Top of Head 76 



Color of Hackles — Hackle I,acing 77 



Wing Color— Red Wing Coverts 77 



Tail Color 77 



Shafting 77 



Body Lacing 78 



Penciling 78 



General Topics in Inheritance 78 



Unit Characters 78 



Alternative, Particulate (Mosaic), and 



Blending Inheritance 81 



Inheritance of Specific vs. Varietal 



Characteristics 82 



Inheritance of Positive vs. Negative 



Varietal Characteristics 83 



Inheritance of Old vs. New Character- 

 istics 84 



Dominance and Recessiveness 84 



• Page 



Dependence of Dominance on the Races 



Crossed 86 



Prepotency and Dominance 87 



Hybrid Forms 88 



Reversion 90 



Purity of Gametes 91 



Comparison of Reciprocal Crosses 93 



Inheritance of Sexually Dimorphic 

 Characteristics and Sexual Dimor- 

 phism in the Hybrids 93 



Black Minorca and Dark Brahma... 94 



White Leghorn and Dark Hrahma.. 94 



White Leghorn and Houdan 94 



White Leghorn and Rose-comb 



Black Minorca 95 



Tosa Fowl and White Cochin Ban- 

 tam 95 



Dark Brahma (female) and Tosa 



Fowl (male) 95 



Transfer of Sexually Dimorphic Char- 

 acteristics from One Sex to the Other. 95 



Sex in Hybrids 97 



Correlation of Characteristics 97 



The Mutation Theory in its Relation to 



the Origin of Domesticated Anima's.. 98 



E. Summary of Conclusions 100 



F. Literature Cited loi 



