New races of Sphenocercus, Bubo, Dryo-bates, Serilophus, Niltava, Anthipes, Trochalopterum, Pomatorhinus, Pell-orneum, Stachyris, Tesia, Heteroxenicus, Minla, Merula, Urosphena, Suthora Sitta, Zosterops, Arachnothera. Bulletin of the British Ornithologists' Club, 42 1921: pp. 12-18 29-32. [Zoological Record Volume 58]