THE BIRDS OF THE NATUNA ISLANDS 71 



The 19 recognizable races of this species ai"e as follows: 



1. Mixornis rubicapilla rubicapilla (Tickell). 



M[otacilla]. Rubicapilla Tickell, Journ. Asiatic Soc. Bengal, vol. 2, no. 23, 

 p. 576, for Nov. (Dec), 1833. ("Borabhum and Dholbhiim.") 



Geographic distribution. — Eastern Bengal, India east to Burma, and 

 south to northern Tenasserini. 



2. Mixornis rubicapilla chloris (Blyth). 



T[imalia]. chloris Blyth, Journ. Asiatic Soc. Bengal, vol. 11, no. 128, p. 794, for 



Aug. (after Nov. 22), 1842. ("Nepal.") 

 M[ixornis]. ruficeps Hodgson, Proc. Zool. Soc. London, vol. 13, for 1845, p. 23, 



Aug., 1845. (Nepal.) 



Geographic distribution. — Nepal, east to Assam, and southeast to 

 the northern Shan States. 



3. Mixornis rubicapilla sulphurea (Rippon). 



Stachyridopsis sulphurea Rippon, Bull. Brit. Orn. Club, vol. 11, no. 74, p. 11, 



Oct. 27, 1900. (" Namehet, S. Shan States.") 

 Mixornis gularis minor Gyldenstolpe, Kungl. Sven. Vet. Akad. Handl., vol. 56, 



no. 2, p. 60, Oct. 19, 1916. ("Pak Koh, Northern Siam.") 



Geographic distribution. — Northern, central, and eastern Siam, 

 north to the southern Shan States and southern Yunnan, China. 



4. Mixornis rubicapilla lutescens Delacour. 



Mixornis rubricapilla lutescens Delacour, Bull. Brit. Orn. Club, vol. 47, no. 308, 

 p. 18, Nov. 6, 1926. ("Bao-Ha, Tonkin.") 



Geographic distribution. — Eastern and northern Tonldn; and central 

 western and northern Annam. 



5. Mixornis rubicapilla kinneari Delacour and Jabouille. 



Mixornis Kinneari Delacour and Jabouille, Arch. d'Hist. Nat., vol. 1, p. 136, 

 1925. (" Hailang" [central eastern Annam].) 



Geographic distrihution. — Central eastern Annam. 



6. Mixornis rubicapilla versuricola Oberholser. 



Mixornis gularis versuricola Oberholser, Smithsonian Misc. Coll., vol. 74, no. 2, 

 p. 5, Sept. 27, 1922. ("Da Bau, southern Annam.") 



Geographic distribution. — Southern Annam, and probably also 

 Cochin China and Cambodia. 



7. Mixornis rubicapilla inveterata Oberholser. 



Mixornis gularis inveterata Oberholser, Smithsonian Misc. Coll., vol. 74, no. 2, 

 p. 5, Sept. 27, 1922. ("Koh Kut Island, southeastern Siam.") 



Geographic distribution. — Southeastern Siam. 



8. Mixornis rubicapilla connectens Kloss. 



Mixornis rubricapilla connecieus " Kloss, Ibis, ser. 10, vol. 6, no. 2, p. 207, 

 Apr. 9, 1918. (" Malay Peninsula, about lat. 10° N.") 



'1 This spelling of the subspeciflc name where it first appears is evidently a typographical error for con- 

 nectens, as the name is given in the latter form in a subsequent paragraph on the same page (loc. cit.). 



