74 A COLLECTION OF BIRDS FROM N. E. SUMATRA. 



is also a certain amount of arable land besides the tobacco as well 

 as kampong land and a little swampy country. Throughout the 

 country are scattered lofty trees (toalang). 



Mdbar Estate. Similar country, about 15 metres (50 feet). 



Helvetia Estate „ „ 



Tandjong Morawa in the Serdang district is somewhat more 

 undulating land up to about 30 metres (100 ft.) with a strip of 

 primaeval forest along the Batang Koeuris (the stream forming 

 the boundary between the Deli and Serdang districts where most 

 of the birds were collected). 



Deli Toeiva Estate. In the Deli District on hilly country 

 ranging up to about 200 metres (650 feet). Most of the birds 

 were collected in primaeval forest - at the south side of the estate. 



Toentoengan Estate. Like Deli Toewa, height ranging up to 

 about 150 metres (480 feet). 



Gambir. An old tobacco estate now in lalang and secondary 

 jungle with some old forest. 



Bandar Baroe, Deli Dist. A mountainous district about 860 

 metres (2800 ft.) consisting of rubber estates and primaeval 

 jungle. 



Brastagi in the Simeloengan District in parts mountainous 

 and partly plateau land, height 1,390 metres (4,520 ft.), Brastagi 

 is on the Karo Plateau which is undulating country overgrown with 

 lalang. Near the kampongs the Battaks cultivate rice and potatoes. 

 Most of the birds were collected in forest along the south sides of 

 the Sibajak Mountains. 



Tengkeh. Mountainous country somewhat below Brastagi at 

 the foot of. the Dolok Baros : old primaeval jungle. 



Boeloe in Serdang District : flat low country. 



Tandjong Selamat. A rubber estate in the Langkat District 

 with primaeval jungle in the vicinity. 



PHASIANIDAE. 



1. Arboricola rolli, Eothschild. 



Bull. Brit. Orn. Club XXV, p. 7 (1909). 



? juv. Bandar Baroe, Deli, N. E. Sumatra, 19th April 



1917 [No. 298]. 



$ ad. Tengkeh, Simeloengan, N. E. Sumatra, 27th June 



1918 [No. 1035]. 



The first bird is little more than a chick and has the head 

 still in down so that its identification is a matter of consider- 

 able uncertainty. The bill in life would appear to have been 

 red at the tip as in A. rubrirostris but there is a large patch 

 of silky white feathers on the ear coverts, characteristic of A. 

 rolli, so we have determined it as that species. 



Jour. Straits Branch 



