X ILLUSTRATIONS 



PACING 

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33. Figs. 1-t'i. Neck-feathers of the Nicobar pigeon, Calomas nicobarica, 

 -7 ID, Neck-feathers of the guinea-pigeon, Cotumba 0usnM, 



11 It. Neck-feat hers of a C. liuinm X ('. lii'in hybrid 212 



lit. Figs. 1 -:>, Neck-mark of adult male rwono-eurotenSM-oJba hyl)rid, No. T 1. 



I ii:- j . I (',, Neck-mark <if adult male risoria-alba X suratensis hybrid, No. F 212 



35. A. Neck-mark of adult male Coluinlxi li iicm-i /iliala. 



II. Adult C. ilniiioil ifii X '/'. iirifittiilia hybrid '-'IS 



:5li. Neck-marks of common turtle-dove of Europe, Turtur turtur '-'L'O 



\. Adult male iilbd-n'sitria X tiirtur hybrid, No. J 1. 



H. Adult male ullid-rinnria X turtur hybrid. No. A 1 '-'-1 



38. A. Neck-mark of adult female complex allxi-risuria X turtur hybrid, No. D9. 



H. Neck-mark of adult female complex atba-ruorio-turtw hybrid, No. E 1. 



Neck-mark of Juvenal male complex tillxi-risoriii-turtur hybrid, .No. H 2 224 



:''.>. Fit:*. 1 I. Neck-marks of three complex alba-nsoria-tvrlw liybrids, Nos. I, E 1, and K2 224 



TKXT FIGURES. 



PAGE 



1 . Adult male and female Strcptnprlia alba X Turtur orientalist hybrids 70 



'_'. Neck-mark of white faiitail ring-dove hybrid, No. K 1 211 



:;. Head and neck of juvcnal African owl-pigeon, Coluniba turbata, 3 months old 211 



4. Head and neck of adult female stock-dove, C. amas 213 



"K Head and neck of band-tailed pigeon, C.fasciata 214 



i. Head and neck of wood-pigeon, C. palumbus 215 



7. Head and neck of guinea-pigeon, C. guinea 216 



N. Head and neck of adult female C. guinea X C. livia hybrid, No. C 217 



9. Figs. 1, 2, Neck-mark of three-fourths ring-dove '/. one-fourth liniiiilix hybrid, No. K. 



Figs. o. 1. Neck-mark of .S'/. risnria T. orinitalit hybrid No. 1 218 



10. Neck-mark of adult Chinese tuitlc-dove, N/>/7o/7m rhinensiit 219 



1 1 . Neck-mark of adult male alba-risoria turtur hybrid, No. J 1 221 



