PLATE 23 



A Adult Chinese turtle-dove, Spilopelia chinerms. 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 pzrent-alba-risoria X nsona-aba hybrid; 



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





