قراءة كتاب Inheritance of Characteristics in Domestic Fowl

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Inheritance of Characteristics in Domestic Fowl

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دار النشر: Project Gutenberg

الصفحة رقم: 1

CHARLES B. DAVENPORT,
Director of the Station for Experimental Evolution,
Carnegie Institution of Washington.

WASHINGTON, D. C.
Published by the Carnegie Institution of Washington.
1909

Carnegie Institution of Washington Publication No. 121.

Papers of the Station for Experimental Evolution, No. 14.

PRESS OF J. B. LIPPINCOTT COMPANY
PHILADELPHIA

	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