No. 1626. MAMMALS FROM HASTERN SUMATRA—LYON. 679 
HXPLANATION OF PLATES. 
lee /Nao) JOO. 
Skulls of Arctictis binturong. About 4 nat. size. 
Vig. 1. Dorsal view of skull of Cat. No. 148618, U.S.N.M., young male from 
the Siak River. 
2. Dorsal view of skull of Cat. No. 144117, U.S.N.M., nearly adult female, 
from Sungei Mandau, showing abnormal inflation of frontal bones. 
3. Dorsal view of the same skull with its top removed in order to show 
sinuses. 
4. Ventral view of the removed top in order to show sinuses. 
IPE Nas JOIUOE. 
Skull of the type-specimen of Paradoxurus padangus, Cat. No. 148614, 
U.S.N.M., adult male from Pulo Padang. About # nat. size. 
Vig.1. Ventral view of skull. 
. Dorsal view of skull. 
. Lateral view of skull, left side. 
. Lateral view of mandible, left half. 
. Dorsal view of mandible. 
iw) 
Or He OO 
PrATE Dive 
Facial and lateral views of skulls of Hylobates albimanus and lar. About 
2 nat. size. 
Vig.1. Hylobates albimanus, Cat. No. 148564, U.S.N.M., adult male, Aru Bay. 
Vig. 2. Hylobates lar, Cat. No. 111970, U.S.N.M., Tanjong Badak, Tenasserim, 
adult male. 
RAH lAVE 
Large male Orang, Aru Bay, Sumatra, photographed by Dr. W. L. Abbott 
shortly after killing. 
PLATE LVI. 
Profile and portrait views of a large male Orang, Aru Bay, Sumatra, photo- 
graphed by Dr. W. L. Abbott shortly after killing. 
