AND ALLIED GENERA. 87 



Key to the species. 



a. Concealed white longitudinal shaft-streaks on the 

 feathers of back and rump. 



a'. Lower surface and under tail-coverts pure 



white, sides of breast and flanks brownish ashy, rostrutum. 



Z/'. Throat, centre of breast, abdomen and vent 

 white, chest more or less shaded with ashy, 

 sides of body ashy brown, under tail-coverts 

 pale fulvous celelense. 



(/. Lower surface fulvous, throat and centre of 



breast only white Finschi. 



b. No white central streaks on upper surface. 



a'. Upper surface rusty brown, sides of breast 

 tawny bufi'. 

 a". Crown olive-brown, ear-coverts bright tawny 

 buff like sides of neck and breast, under 



tail-coverts white jtyrrlwgenys. 



b". Crown slaty gray with fulvous shaft-streaks 

 to the feathers of the forehead, ear-coverts 

 brown with fulvous shafts, under tail-coverts 



tawny buff cmiicapillum. 



h' . Upper surface pale olive-brown, under surface 



white, sides of breast and flanks ashy olive . BiiUikoferi. 



1. Tricliostoma rostratum. 



Trichosloma rostratum Blyth, Journ. As. Soc. Beng. XI, p. 795 

 (1842); Bp. Consp. I, p. 259 (1850); Sharpe, Cat. B. VII, p. 562 

 (1883); Oatea, B. Br. Ind. I, p. 153 (1889); Everett, Journ. 

 Straits Branch R. As. Soc. 1889, p. 109; Sharpe, Ibis 1893, p. 119. 



Malacopteron rostratum Gray, Gen. B. I, p. 209 (1846); Bias. Verb. 

 Z. B. Ges. Wien, XXXIII , p. 68. 



Myiothera umhratilis Mull. MS. in Mus. Lugd. 



Napothera rufina Temm. MS. in Mus. Lugd. 



Napothera umhratilis Strickl. Contr. Orn. 1849, p. 128, pi. 35 (hind fig.). 



Turdirostris umhralilis Bp. Consp. I, p. 218 (1850). 



Brachypterijx macroptera Salvad. Atti R. Ac. Torino, III, p. 528 (1868). 



Macronus umbratilis Gray, Handl. B. I, p. 319 (1869). 



Brachypteryx umbratilis Salvad. Ucc. Born. p. 220 (1874) '). 



1) In this article Salvadori already points to the afiBnities between this 

 species, jiyrrhogenys and celebensis. 



Notes from the Leyden IMuseum , Vol. XVII. 



