A. Adult male F2 hybrid, St. humilis X -St. risana (Dl). Hatched May 4, 1901; age8 months. X 0.6. Hayashi 



del., Jan. 1902. Sire, St. humilis X risoHa hybrid (C2) , shown in color plate 22, figure B. Dam, St. huimhs 

 X risaria hybrid (CI) . The parents were brother and sister. Color a shade darker and size a little smaller 

 than that of parents. Neck-ring rather narrow. Eye-lid pale whitish. Inner circle of iris dusky or hazel; 

 outer one-half or two-thirds dull-brownish orange. 



B. Juvenal male, St. humilis X St. nsoria F2 hybrid (Dl). Age 6 weeks. X 0.7. Hayashi del., June 1901. 



Same bird as adult above, figure A. This bird agrees with its hybrid parents and its pure grandparents m 

 having lighter juvenal and darker adult plumage. See characters of the adult. 



