TABLE OF CONTENTS. 



T^ C1 



EDITORIAL STATEMENT 



CHAPTER I. INTRODUCTORY 



CHAPTER II. CROSSES AND FERTILITY op WILD SHKCIK* <it IV.: 



Lists of species crossed and bred >i 



Statement by the editor II 



List of infertile individual mating 



Classification of Columbia II 



CHAPTER III. FERTILITY AND THE SKXKS 



CHAPTER IV. JAPANESE TURTI.K-DOVKS CHOS,SI:I, wnn \ I )i>! D AMD WIT! 



SPECIES 23 



Common pigeon X Japanese turtle-dove 



Fertility tests of hybrids of common pigeon X Japanese turtl. 



Japanese turtles crossed with Kuropenn turtle-doves ji, 



Turtur liybrids crossed inlir M and with parent s|>eries _., 



Fertility and longevity in pure-bred Japanese turtl. _! 



CHAPTER V. MUTATION, FERTILITY, AND LONGEVITY is INHHKD JAPANK.SK Tt KTI INIVES. . . II 



Japanese turtle "mutants" of 11KHI and I'.MO 4) 



The breeding of "mutant" No. 108 



Autopsies of Turtur orientalis 108 and !.'!:!, and of their young hat.-hed in 1<|J 

 , Inbreeding, fertility, and longevity in the offspring of Japanese turtli -doves of pain 4 and .". 



Brother and sister mat ings 



Crosses with Sin '/)// tin 4g 



Condensed fertility record of non-inbred offspring <>f male orirntalit (2) X female 



orientalis (2) 49 



Inbreeding of uncle to niece and origin of an interesting family of inbre<U 50 



CHAPTER VI. EFFECT OF SEASON OF HATCHING UPON DISTRIBUTION UK I-KIUII in \M..\., THE Orrsi" 



OF AN OVERWORKED PAIR OF JAPANKSK Ti HTI.K-I>\ KS 50 



General statement M 



The fertility of the females of the series .",'. 



The fertility of the males of the series m 



Condensed and consecutive record of nmtings made to test fertility of offspring of thu 



family 



Summary '-: 



CHAPTER VII. CROSSES OF JAPANESE TURTLE-DOVES WITH BLOND AND WHITE KINO-DOVES. . 



Sex-limited inheritance of color in blond and white ring-doves crossed with Japanese 



turtle-doves ''' 



Reciprocal crosses of alba and orientalis 



Reciprocal crosses of risoria and orientalis 



Color and sex in Ft ring-Japanese hybrids 



Reciprocal crosses of Si. alba and T. orientalis. . 



Orientalis male X alba female 



Alba male X orientalis female 



Reciprocal crosses of risoria and orientalis 



Primary hybrids crossed inter se and with parent ap. 

 Further breeding of complex orientalis-alba rixoria hybrids 

 CHAPTER VIII. GUINEA-PIGEONS CROSSED WITH COMMON Pi>. 



General statement 



Matings and back-crosses of guinea hybrids 

 CHAPTER IX. BREEDING AND INBREEDING FOR COLOR IN SOME DOXIKMI. IV,! 



General statement 



Color and weakness in homers 



Black, red, and gray barbs from black parents 



Physical degeneracy and red and white color associated with late season and with 

 inbreeding in gray Brilnn pouters . . 



Color in owl X rock crosses 



Fertility and season in crosses of common pigeons with feral C 

 Preceding data on wild rock pigeons 



CHAPTER X. ZENAIDURA AND ITS CROSSES WITH ZENAIDA AND HTBB 



vii 



