The occipital bone in Primates. 



?7 



Pithecia sp. A.-P. 3. T. 3.0 cm. B. 1.4. F. 1.2. F. to S. 2.8. Frontal bone 



reaches far back. 

 Ateles sp. A, -P. 5.2. T. 4.3. B. 1.7. F. 1.5 round. For. to Summit 2.5 cm. 



Condyles apart 1.3 cm in front, 1.5 behind. Condyle L. 0.9 x 0.6. 

 Callithrix. The tabular part is much bent forwards above. 



Fig. 4. Fig. 5. Fig. 6. 



Cynocephalus Hamadryas. A.-P. 7.4. T. 6.5. B. 2.3. F. 1.9 lozenge-shaped with 



rounded angles. F. to ^1 suture 5.8 cm. Condyles Converge 0.6 apart in 



front and 0.9 behind. Tjength of Condyle 1.6 x B. 0.7. Plight Condyle broader 



both are notched. Flat at sides. 

 Cynocephalus Sphinx-. A.-P. 5.8 cm. T. 4.0. B. 1.4. F. 2.1 by 1.8. F. to 



Summit 3.7 cms dist. between Condyles in front 0.9. Behind 1.9 cm. 



Length Condy. 1.3x0.6. This specimen has good sutures. Occipital bone 



Convex above lower Curved lines. 

 Cynocephalus Porcinus. A.-P. 7.5 cm. T. 7.5. B. 2. F. 2x1.4 cm. F. to Apex 



4 cm. Condyles 0.6 apart in front. 1.8 behind. Flat tabular. 

 Papio Mormon. A.-P. 5.8. T. 5.1. Basilar Contributes to Condyle. A hollowed 



thick band connects Condyles in front. 

 Papio Leucoprymnus. (The last molar is not up.) A.-P. 6 cms. T. 6 cms. B. 1.25. 



F. 1,7. T. 1.2. F. to Apex 3.8 cms. The angle between the plane of the 



foramen and plane of palate = 180** nearly. 

 Papio sp. A.-P. 7.2. T. 7. B. 2.2 cms. F. 2.2x1.8. 

 Cynopithecus niger. A.-P. 5.7. T. 5.4. B. 1.5. F. 1.5. 



F. to Apex 3.9. Pist. between Condyles Fr. 0.7. 



Beh. 1.5. Cond, L. 1.1 x Br. 0.5. Condyles 



Notched, foramen round. 

 A.-P. ^ Antero-Posterior, T. = Transverse, B. = Basilar, 



F. = Foramen, S. ^ Apex of Tabular part or ..t 



suture. Fr. = Condyle distance in front. 

 Cercopithecus Schmidtii A.-P. 4. T. 3.8. B. 1 cm. 



F. 1.2. F. to Apex 3.1. Cond. Fr. 0.7. Beh. 1.5. 



Condy. L. 0.9. B. 0.5 cm. Median elevation well 



marked. Sides flat. Fig. 7. 



Cercopithecus Cynosurus. A.-P. 4.7. T. 4.9. B. 1.3. 



F. 0.9. F. to Apex 3.1. Dist. between Condyles Fr. 0.5. Beh. 1.4. Cond. 



L. 0.9. Br. 1.2. Notched. 

 Cercopithecus Cynomolgus. A.-P. 4.8. T. 4.8. B. 1.2. Fr. 1.5 round F. to Apex 

 3.3. Dist. Fr. 0.6 behind. 1.4 cms. Length. 10 cm. Breadth 0.5 cm. 



