TABLE OF CONTENTS.
| PAGE | |
| Introduction | [3] |
| Chapter I. The Split or Y Comb | [5] |
| A. Interpretation of the Y Comb | [5] |
| B. Variability of the Y Comb and Inheritance of the Variations | [12] |
| Chapter II. Polydactylism | [17] |
| A. Types of Polydactylism | [17] |
| B. Results of Hybridization | [18] |
| Chapter III. Syndactylism | [29] |
| A. Statement of Problem | [29] |
| B. Results of Hybridization | [32] |
| Chapter IV. Rumplessness | [37] |
| Chapter V. Winglessness | [42] |
| Chapter VI. Booting | [43] |
| A. Types of Booting | [43] |
| B. Normal Variability | [43] |
| C. Results of Hybridization | [46] |
| Chapter VII. Nostril-Form | [59] |
| Chapter VIII. Crest | [67] |
| Chapter IX. Comb-lop | [69] |
| Chapter X. Plumage Color | [71] |
| A. The Gametic Composition of the Various Races | [71] |
| 1. White | [71] |
| 2. Black | [72] |
| 3. Buff | [72] |
| B. Evidence | [72] |
| 1. Silkie × Minorca (or Spanish) | [72] |
| 2. Silkie × White Leghorn | [75] |
| 3. Silkie × Buff Cochin | [76] |
| 4. White Leghorn × Black Minorca | [77] |
| 5. White Leghorn × Buff Cochin | [77] |
| 6. Black Cochin × Buff Cochin | [78] |
| Chapter XI. Inheritance of Blue Color, Spangling, and Barring | [79] |
| A. Blue Color | [79] |
| B. Spangling | [80] |
| C. Barring | [81] |
| 1. White Cochin × Tosa | [81] |
| 2. White Leghorn Bantam × Dark Brahma | [82] |
| 3. White Leghorn Bantam × Black Cochin | [82] |
| Chapter XII. General Discussion | [85] |
| A. Relation of Heredity and Ontogeny | [85] |
| B. Dominance and Recessiveness | [88] |
| C. Potency | [92] |
| D. Reversion and the Factor Hypothesis | [93] |
| E. The Limits of Selection | [94] |
| 1. Increasing the Red in the Dark Brahma × Minorca Cross | [94] |
| 2. Production of a Buff Race by Selection | [95] |
| F. Non-inheritable Characters | [96] |
| G. The Rôle of Hybridization in Evolution | [97] |
| Literature Cited | [99] |
INHERITANCE OF CHARACTERISTICS
IN DOMESTIC FOWL.
BY
CHARLES B. DAVENPORT.