22 



GYLDENSTOLPE, BIRDS COLLECTED BY THE SWEDISH ZOOLOGICAL EXPEDITION TO SIAM. 



places though it probably occurs in favourable localities in other parts of the country. 

 It lias ratber a pretty song which was often heard even diiring the hottest hours 

 of the day. 



Measurements : 



Length = 120 mm. 



115 mm. 



128 mm. 



115 mm 



Wing = 54 » 



56 * 



58 » 



57 » 



Tail = 58 » 



53 » 



52 » 



51 » 



13. Aethorhynchus xanthotis Sharpe. [Plate I, fig. 1.] — Hitherto only the 

 female of this rare bird bas been described as far as I know. During my stay at 

 Non Luum I was kicky enough to get two fine males of this interesting bird which 

 seems only to inliabit Siarn and neighbouring parts of the Frencli Laos coimtries. 

 The plumage of the male differs from that of the female and I therefore will give 

 the description of the males in my collection. 



Description of male. General colour above old möss green (H. Dauthenay, 

 Répertoire de couleurs, p. 290, 4) witli the bases of the feathers greyish black ; head 

 and neck with a yellow wash över the green and paler than the back; least wing- 

 coverts like the back ; the rest of the coverts a little paler than the back with the 

 bases of the feathers blackish grey and some of the feathers edged with yellowish 

 green; quills dusky blackish edged with yellowish green on the outer margins (inner 

 margins white); tail feathers yellowish green edged with sulphur yellow except the 

 outer pair; forehead påle yellow with a greenish wash; lores, feathers round the eye 

 and sides of face bright yellow; rest of under surface and tliroat brilliant yellow; 

 sides of the body like the back; flanks with a large tuft oft white feathers; under tail- 

 coverts yellow but not so bright as the under surface; feathers on the rump fluffy, 

 nearly concealing the upper tail-coverts which are yellowish green; under wing- 

 coverts and axillaries white; end of wing påle yellow. 



Iris = blackish grey. 

 Bill — plumbeous. 

 Legs =-- plumbeous. 



^ ^7i 1!)12. Nou Luum. 

 Length -= 145 mm. 

 Wing = 70 » 

 Tail = 54 » 

 Culmen = 19,5 » 

 Tarsus =21 » 



This species is closely allied to AetJiorhynchus lafresnayii Hartl. from the 

 southern portion of Tenasserim and the Malay Peninsula. 



^ 'Vi 1012. 



Non Luum. 



Length -- 



145 mm. 



Wing = 



70 » 



Tail 



55 » 



Culmen = 



19,5 » 



Tarsus = 



20,5 . 



