Outer Tail Feather. (Left). 



B . C 



Under Side. Upper Side. 





Adult female, StreptopelmaUmXTnrturorientalis. Hybrid (10). From egg 7-16-07. X 0.9. Hayashi del., Apr. 1908. 



A. Entire bird, showing that color is not a pure "white." Dorsal coverts and feathers of neck-mark show 



brownish pigment. 



B. Under side of outer (left) tail-feather. That part of proximal feather which is black in arieMdis and in ruoria 



here bears a rather pale brown or isabelline. X 0.8. 



C. Upper side of the .same feather. X 0.8. 



D. One of the more pigmented feathers of the neck-mark. Natural size. 



