PLATE 23 

 A. 



1 5 



A. Adult Chinese turtle-dove, Spilopdia chinensia. X 0.7. Hayashi del., Dec. 1903. 



B. Fifth feather (natural size) third row (right side) of the neck-mark of Chinese turtle (same as 



fig. A). Shows strong bifurcation, white tip, and dark center. 



C. Wing of Juvenal mourning-dove and ring-dove (female parent alba-risoria. X rworia-alba hybrid) 



hybrid; hatched May 9, 1899. Natural size. Hayashi del., June 6, 1899. 4 weeks old. 



