A. Adult European turtle-dove, Tvrtvr turiur. X 0.6. Toda del. Dark centers of feathers narrower and less 

 prominent than in the Japanese turtle-dove (plate 1 ) ; the red edging is more prominent in turtur. 



B. Juvenal male Japanese turtle-dove, T. orlenUdis (56). From egg of 8-15-05 ; age 6 weeks. Hayashi del. 



Nov. 1905. X 0.5. The juvenal eolor presents feathers with dark centers and light edges, as does the adult 

 (plate 1), but the differentiation and the boundaries are here less distinct. The neck-mark shows only as 

 rows of feathers. 



