380 ALUCO TENGMALMI. 



most distinctive characters of this species when coiii- 

 pared with Syrnia passerina. 



The bill is pale greyish-yellow, darker on the sides. 

 The claws are yellowish-brown, their tips dusky. The 

 general colour of the upper parts is a deep olivaceous 

 brown, approaching to liver-brown ; the feathers of the 

 head have an oblong central white spot ; those of the 

 hind neck are similarly marked with larger spots ; the 

 scapulars have two large round spots near the end ; 

 and some of the dorsal feathers and wing coverts have 

 single spots on the outer web. All the quills have 

 marginal white spots on both webs ; those on the inner 

 much larger. On the tail are five series of transverse- 

 ly elongated narrow white spots. The disk is yellow- 

 ish-white, anteriorly black, patched with brown behind. 

 The ruff is also yellowish-white, mottled with black. 

 The throat is brown ; the general colour of the lower 

 parts is yellowish- white, longitudinally streaked with 

 brown, the central part of each feather being of the lat- 

 ter colour ; some of the hypochondrial feathers have 

 two white spots near the end. The tarsal and digital 

 feathers are greyish-yellow, marked with faint trans- 

 verse bars of brown, like those of Syrnia funerea. 



Length to end of tail ll^, to end of wings 10|; 

 wing from flexure 71 ; tail 41 ; bill along the ridge 1 ; 

 tarsus ii ; first toe /^, its claw -^^ ; second toe /^, its 

 claw 3^2 ; third toe y^^, its claw -f^ ; fourth toe /^j '^^ 

 claw II . 



Remarks. — Although similar in appearance to Syr- 

 nia passerina this species is easily distinguished ; 1st, 

 by the great difference in the size of its auditory conch ; 



