X. ON A LARGE COLLECTION OF BIRDS CHIEFLY 
FROM WEST SUMATRA MADE BY Mr. E. JACOBSON. 
By H. C. Rospinson anp C. BopEN Koss, 
with notes by the collector. 
(Plates VI-XI and three maps). 
The large and interesting collection of birds of which 
an account is given in the following pages was entrusted 
to us by Mr. E. Jacobson in 1918. Owing to a variety of 
causes for which we are not responsible publication has 
been greatly delayed and for this our apologies are due 
to Mr. Jacobson. The collection contains much valuable 
material but owing to the fact that the districts worked 
have been much collected over by other naturalists the 
number of actual novelties is not large. 
Part I Introductory Notes by E. Jacobson p. 189 
, 1 Collection Stations by E. Jacobson p. 191 
» III Systematic List by H. C. Robinson 
and C. B. Kloss ; Field notes by 
E. Jacobson p. 202 
» IV List of Native names by E. Jacobson  p. 400 
I. INTRODUCTORY NOTES. 
By E. JAcosson. 
Between the years 1913 and 1917 several collecting 
trips were made by me in different parts of Sumatra, viz., 
in the Padang Highlands, Korinchi, Bencoolen and Palem- 
bang. 
All together 3021 specimens were obtained, from which 
411 were presented to the Museum of Natural History at 
Leyden (Holland). Nothing has been published up to now 
about this part of the collection. 198 specimens were 
presented to the Museum at Kuala Lumpur ; 109 specimens 
were lost or destroyed by different causes. 2,500 specimens 
of this collection, including the 198 presented to the Museum 
at Kuala Lumpur have been examined by Messrs. Robinson 
and Kloss. A list of species or subspecies first recorded 
from Sumatra or described as new to science from speci- 
mens obtained by me, will be found at the end of the 
systematic list. 
The collection, of which the present paper treats, will 
ultimately be presented to the Leyden Museum of Natural 
History, with the exception of the specimens now in posses- 
sion of the Museum at Kuala Lumpur. 
