SIMIID^.. 



731 



they are the highest apes and most like man, they are called 

 Anthropoid. 



These apes are less like quadrupeds than the others ; they 

 have no distinct tail and no cheek pouches. The caudal 

 vertebrae form the coccyx. Only in the Gibbon are there 



fs 



,^^«r?**" 



I 



, ■ 1. 



Fig. 321. — Skull of Orang-Utan. — From Edinburgh 



Museum of Science and Art. 



p., Parietal ; /., frontal ; sq., squamosal ; /., jugal ; w., maxilla. 



ischial callosities, and these are small. The arms are much 

 longer than the legs. The sternum is broad. The caecum 

 has a vermiform appendix. As in the lower Old World 

 apes, the dentition is like that of man — 2123. 



The Gibbons (Hylobates) live in S.-E. Asia, especially in the Malayan 

 region. The largest attains a height of 3 ft. They walk erect 



