Gerygone griseus Gyldenstolpe, Orn. Monatsber., vol. 24, No. 2, February 1916, p. 27.= Gerygone sulphurea sulphurea Wallace, 1864
Holotype ? : Female ad., Koh Lak (= Prachuap Kirikan), Rajburi District, South-western Siam. 1. XII. 1914. N. Gyldenstolpe leg. No. 837. - Measurements of type : wing : 52 mm.; tail : 38 mm.; culmen : 9,2 mm.; tarsus : 15 mm.Click on the picture for enlargement.
Foto © NRM Anna Constantinides