CHAPTER IV.

THE MAN-SHAPED APES (_concluded_)--THE GIBBONS--THE SIAMANGS--THE TRUE GIBBONS.

General Characteristics of the Species--THE SIAMANG--Its Habits and Anatomy--Distinctness from the Orangs and Gibbons--Special Peculiarities--THE WHITE-HANDED GIBBON--Where Found--Its Cry--Its Habits--Special Anatomical Features--THE HOOLOOK--Where Found--A Young One in Captivity--Shape of the Skull--THE WOOYEN APE--Its Appearance and Habits--THE WOW-WOW--Very little known about it--THE AGILE GIBBON--Reason of the Name--Peculiarities of the Anatomy--General Comparison of the Different Varieties of the Great Apes 73