TABLE OF CONTENTS. 



PRBTACI nv THK EDITOR 



( 'II.M'TM; I. INTRODI.TTOUY 



ClIAI'TKR II. Till: I'ltOld.KM (II THK OltUlIN (II Si I. II 



('H.M-TKR III. Tin: I'KOHI.KM OK THK OIIK.IN or Sn.cn s .i-i,nlii,ii<-i| 



CHAPTER IV. THE ORIGIN AND RBLATIONSHIP OF RocK-Pi 



< HM-TKIi V. TlllO Tl'RTI.K-IHIVK I'.VITKICN IN III! PlIYLO 

 I ielleral Statement 



The turtle-dove pattern in I hi' IVriMei Ida- 



The Tiirtiirina- ,., 



The /eiiaidina-. 75 



The I'eiisteiiiue 



The ( ieopeliill;e. ...... s I 



The 1'hahinie 



The (ieotr.vKonina- 102 



ClIAcTKR VI. TlIK TlKTI.K-llOVK I'VITIKN IN 1111, I 'l I V I .. M .! N 1 ,,| |'|..!,,-,s (.-,,,1 1 illllfrf) . . . 101 



The turlle-dove |);illern ill Hie Treroniikc . |(V| 



The Treronimi! (ill 



The I'tilopodina- lot 



Tlie turtle-dove pattern in the <;mmd:r 



The tiirtle-dovo p:itteni in the ('i)liiinl>id:i' I0.'i 



Ker;d Coluniba |(i', 



Domestic pigeons ||-j 



Color and pattern in donie.-lie piueons, accnidinc t.> I'niiz 113 



Ulnck crescent ie tips in toy pigeons 1|.". 



ClIAl'TKIl \'I1. Till: 'I'l KTl.K-DoVK PAlTKItX IN OT1IKU OlillUt-. "1 lilllli,^ 117 



Historical and introductory 117 



Theories of color and pattern 117 



Sexual dimorphism in color. . . 



The turtle-dove pattern and its modification m varimi-. Imni^ l.M 



On the evolution of the ocellus of the Ar^us pheasant and the j I HI 



Further examples of the turtle-dove pattern and its derivatives in liird* 



Dark centers 



Dark centers and tr.-insveisc l>ai-. 



Transverse l>ar~ 



Black creseentic tips and transveiM- liars 



( 'onecnl ric crescent ie liars ...... 1 '- 



Transverse liars in common fowls 



CHAPTER VIII. r'niu,- \ND I'l NH \MI.N IAI. Huis \s I'l.i \m.r I'IIMIM -I-KII-. I in 



Fluted and frilled winn-fcathrrs 1 10 



Connnon pigeon and guinea-pigeon 



Mules pass into frills 141 



The association of frills with other evidences nf eakne-. 

 The lireast-crease and frill. . . 



The breast -crease in hybrids from the- common pigeon anil the Japane*- turtle I U 



The breast-crease and frill in other hybrids and in fc 



The bn-asl-erea.se and frill in common piiv.ii.- 

 On frilled or frizzled races of bird- 



Tlu! ])i(?con 



1'owls 



(Itese l.M 



HullHnch 



1 rilled feathers as a character of gradual development Hither than salt..- 



Fundamental bai~ 



CHAPTER IX. Tin: MITVII.IN Tm.oitv \NI> MI 



Introductory 



The nuinea-pigcon iniitaiion 



The /enaida mutation 



On the color of the VOUIIK of /enaida and Xenaidu; 

 ( In the Juvenal phnnaiie culms of a " mutant " and normal ?AT 

 (leneral considerations 



X. THK 1'Rom.KM OF OIU.VNI. 1 1, \ . i , .I-MKXT FACTS AXI> TuE" 

 The apical mark as an example of recapitulation . 



vii 



