80 



R. J. Anderson, 



The last molar has not 



1.3. F. to Apex 3.S cms. 

 The tabular part bends 



Foramen and the palatine plane ^= 180" nearly, 

 emerged. 

 Hylobates Lar. Transverse tabular 5.0 cms. Bas. 1.4. F. 

 Dist. Tr. 0.7 and beh. 1..5. Cond. L. 1.1. Br. 0.-5. 

 forward. 

 Anthropopithecus troglodytes. Antero-posterior nearest, 9.3 cms, round the arch 

 11 cms. Transverse 8 cms. Basilar 2.5. Foramen 3 cm. Foramen to pro- 

 tuberance 3.5. Protuberance to suture 3 cms. Length of condyle 1.9 cms. 

 Breadth 1.0 cms. Distance between condyles in front 1.0 cms. Behind 

 2.0 cms. Foramen magnum is oval 3 : 2. The upper part of occipital is 

 bent forwards. 

 Anthropopithecus troglodytes (young). There is a large wormian bone at the left 



external angle. Antero-pos- 

 terior shortest 8 cms. La- 

 teral 8 cms. Basilar 1.5 cms. 

 Foramen magnum 2.6 cms. 

 Foramen to summit 5.5 cms. 

 Distance between condyles 

 2.4 cms behind, and 0.9 cms 

 in front. 

 Anthropopithecus troglodytes (milk). 

 Antero-posterior shortest 7 



cms. Angle to angle (trans- 

 verse) 7 cms. Basilar 1.5 cm. 

 Foramen 2.5 cms. Foramen 

 to summit 5.0 cms. Exocci- 

 pitals form the sides of for- 

 amen magnum; leaving 0.5 cm 

 formed by superoccipital, and 

 0.8 cms formed by basilar. 

 A. Troglodytes (young). Antero- 

 jT'jg 12. posterior shortest 6.7 cms. 



Transverse 6.9 cms. Basilar 

 1.5 cms. Ant.-post. foramen 2.3. Transverse 2.0 cms. Foramen to pro- 

 tuberance 3.0 cms. Protuberance to anterior angle 1.7 cms. Distance 

 ))etween condyles in front 1.2 cm. Distance behind 1.9 cm. Length of 

 condyle 1.4 cms, greatest breadth 0.8 cms. 

 A. Troglodytes (young). Antero-posterior shortest 8 cms. Transverse 7.5 cms. 

 Basilar 1.6 cms. Foramen antero-posterior 2.9. Transverse diameter of 

 foramen 2.3 cm. Foramen to protuberance 3.5 cms. Protuberance to anterior 

 angle 2.2 cm. Distance between condyles in front 1.2 cm. Behind 2.7 cms. 

 A. Troglodytes (juv.). Antero-posterior shortest 7.5 cms. Transverse 8 cms. 

 Basilar 1.8 cms. Antero-posterior foramen 2.8 cms. Trans 2.1 cms. Fo- 

 ramen to Protuberance 3.5 cms. Protuberance to anterior angle 3.0 cms. 

 Distance between condyles in front 1.1 cms. Distance behind 2.6 cms. 

 Simla Satyrus (Borneo). Antero-posterior (shortest) 10.5 cms. Transverse 13.5 cms. 

 Basilar 3 cms. Foramen 3 cm. Foramen to protuberance 5 cm. Protu- 

 berance to suture 2.5 cm. Condyles apart in front 1.2 cms. Behind 3.0 cms. 

 liength of condyle 4.4, breadth 2.2, at middle notched. 



