CONTENTS. 



A. Statement of Problem . . . . 5 



B. Material and Methods .... .... ... 8 



C. Results . . . . ... . 8 



Series I. The Inheritance of Crest . . 8 



Statement of Problem . g 



Material . 8 



Results .... . . 8 



1. Recessiveness of Plain Head . . . 9 



2. The Detection of Homozygous Crests and the Gametic Com- 



position of Heterozygotes .... 9 



3. Baldness . ]1 



Series 11. The Inheritance of Plumage-Color J3 



Statement of Problem 13 



Results . . . . 14 



1. On Inheritance of Green and Yellow Plumage-Color 14 



a. Green x Green . 15 



6. Yellow X Yellow . . ... 15 



c. Yellow X Green . . ... 15 



2. Inheritance of Ticking . . . 17 



3. Inheritance of Yellow x Lizard Coloration 19 



4. Inheritance of Cinnamon (Female) x Green (Male) 19 



Series III. Inheritance of Characteristics in Hybrids between the European 



Goldfinch and the Yellow Canary 19 



Series IV. Hybrids between the Yellow Canary and Other Species . , 22 



D. Summary and Conclusion . . . . 23 



E. Table of Canary Matings . . .... .... 24-25 



F. Literature Cited ... . ... .... 26 



