PLATE 39 



1. Neck-mark of Juvenal male complex Streptopelia (&) XT. turtur (K) hybrid (I). Hatched July 14, 1902; 



age 47 days. X 0.6. Hayashi del., Aug. 1902. 



2. Neck-mark (flat) of same bird as figure 1. Age 47 days. X 2. Hayashi del., Aug. 1902. 



3. Neck-mark of adult male complex Streptopelia (&) X T. turtur (K). Hybrid (E2) ; brother to female of 



figure 4 below. Hatched Aug. 19, 1901 ; age 7 months. X 2. Hayashi del., March 190 



4. Neck-mark of adult female complex Streptopelia (M) XT. turtur (%). Hybrid (ElO. Hatched Aug. 18, 1901 ; 



age 9 months. X 2. Hayashi del., May 1902. 



