II.U STKATio 



"il. A, Adult female common pigeon, No. Kl'. B, \dult female common M 



52. A, Adult female common pigeon, No. K:i. B. Adult female homer I ID 



53. A, Juvenal male common pigeon, age 5 weeks. B. .Juvenal common prgp < I ]. 



54. A, Adult male ,'., Cohi/iilm guinea X V\ Colmnlm Inh,!!,,,,,, hybrid ' B A. lull n 



homer hybrid iC,7CCA!. C, Adult male i". ,j,iinni > homi-r h\i \\-j 



55. l''igs. 1-11, Advanced stages of the "guinea-mark" in -i-apulais and i juvi Hal common pigeaa 



tig. 12, Long covert of adult female satinet te dove 

 "ill. Selected feathers from juvenal robin. Mi ,11/11 tiiii/nilni , 



o7. From juvenal robin. From upper side of same birds and in sai |.-j 



"pS. Analogies of the robin pattern in common pigeons 



-i!l. Selected feathers from an adult male flicker. ' "irvi/i/.v ; _. 



ill). A. The sharp-tailed sandpiper, Triniin iirmniiinlii. Figs. 1 1 1 , Seli-cleil fea'i 'IHUM 



riri/iiiinn K* , I '.f, 



lil. Figs. 1 II. Selected feathers from an adult female ring-necked phea-aiii ol (i,. i riiu torquaiiu UP. 



li'-'. A. The splendid parrakeet, I'/ii/i/n ,r, xnl< mliiliix. B, The cnrlev /.< nn/nnlii i js 



ii^!. \. The black-backed liemi]iodi\ Ilim/iiml- B, The collan-<l plain-w >miu 



ton/miiiix. C, Adult male European widgeon, ^no* pn< . 128 



lil. A, Juvenal crow lied guinea-fowl. Snmiiln i-nrnimln. B, \\ing of ailn: l.di 



(i.'i. The ring-neeked pheasant of China, r/inxiniiiix /nn/nntu* I. Hi 



till, r/uixiillitlx iriillili-liii . 132 



117. Selected feathers from a male Simla horned pheasant, '/'/././.'/KIN nnliti, , . 132 



US. I'nli/iiltTtroii Itiriilrunilmii . 132 



li!). A, B, Third left primary of Cnliiiulm i/iiiinn. C. I). Fourth left primary of i-ommnii pif 



I'!, l-'rilled wing-coverts in an adult female owl-rock hybrid I III 



70. A, Adult male common pigeon i numdah)). B, Adult male guinea-pigeon, t'nhin ' I I'J 



71. A, Adult male common pigeon, red with white primaries and small guinea-marks. II. Aduli : 



C, Adult female homer iF'. same a- above 14'-' 



72. Transverse barring in an adult male owl-pigeon. 



7.'i. Fundamental bars and extended wing-bars in adult male owl-pit 



7i. Fundamental bars in wing of juvenal Jacobin 



75. Barred secondaries and long co\vrts of a .Jacobin, age S weeks 



7li. Male i III normal i of guinea mutant I No. '_'()) at agp' of ."> months 



77. C. ijuinni. No. I'D. "mutant " 



7S. Mutant C. i/ninea (20) and nest -mate, normal ''. , t ,iinra i ! 



79. A, Left wing of a juvenal pheasant, age li da\- B F. The inner greater diverts, left wing, of r. j/pjir,. 



other species of C.ihinilHi. B. C. lirin domettieo, adult. C. i :. umlaut 



(20) adult, aye II months. F. C. ,111/111,1. normal .. I'.l adult, at" II mniitl :'iinea, nonn.nl 



juvenal, age 4 weeks 



50. Ili-ad. eyes, and naked periorbital area of C. ijtiinm, mutant and normal, and : 



C, i/m'ni-ii, normal (19). B, Adult . Adult ( 



photograph of head and neck of ( '. < M rxixnnni. F, ' 



51. A, Tail of (',,liiiiil>ii,iiiin,;t. normal (19), age 7:1 da vs. B. Tall of 'V ,,<t,,,,;,. up : 



of C. guinea (10), age 125 daya 



52. ^Toung (MN1) of Cohtmia gutnea mutant, age I 



S:i. A, Adult male /, mnV.i p/U. B. Juvenal femali- / 



SI. A, Juvenal normal I'lli y.,-n,ii,!,i ri,inf,n-rnf,i. ate ab,,ui 8 weeks, B. Juvenal "n. -inrro-ru/o. 



age (i weeks 



85. Offspring of mutant ZmoMid (21 . \. /. mi/./.i mutai 



hybrid, Z-/N.'i. I), F, Two views of lirsi -generation hybrid. X-/NI. I . !',. tin- 

 hybrids. :i/-ii/A':i and I . 



Sli. A, B, C. r.ater offspring (l!)l()l of the original /- .!//; mutant Jl D, E, J ut.nnt 



and I'.Uii 



S7. Adult female Zi-inniln 



ss. A. .luvenal I I"' days. B. Juvenal (!. rniifola (( 



Juvenal (!. cuncata (Gel < !1), age :;_' dayi 



