viii LIST OF ILLUSTRATIONS. 



PAQE 



Fie 6. Coronal Sections of the Right Half of the Lower Jaw of a Human 



Fcetus, 28 mm. in length (x 38) 



Fie 7 Coronal Section of the Lower Jaw of a Human Foetus, 36 mm. in 



length ( x 7) C8 



Fig. 8. Coronal Sections of the Right Half of the Lower Jaw of a Human 



FcBtus,43mm. in length (x 34) 69 



Fig. 9. Horizontal Sections of the Left Half of the Lower Jaw of a Human 



Fcetus, 43 mm. in length ( x 9) 70 



Fig. 10. Horizontal Sections through the Lower Jaw of a Human Foetus, 72 



mm. in length (x 6) 71 



Figs. 11 and 12. Coronal Sections of the Right Half of the Lower Jaw of a 



Human Foetus, 80 mm. in length ( x 15) 72 



Fig. 13. Sagittal Section of the Posterior Part of the Lower Jaw of a Human 



Foetus, 95 mm. in length ( x 5J) 72 



Fig. 14. Coronal Sections of the Right Half of the Lower Jaw of a Human 



Foetus, 103 mm. in length ( x 8) 74 



Fig. 15. Coronal Sections through the Left Half of the Lower Jaw of a Human 



Fcetus, 230 mm. in length ( x 6J) 70 



Fig. 16. Horizontal Section of the Left Half of the Lower Jaw of a Human 



Foetus, 43 mm. in length ( x 70) ........ 77 



Fig. 17. Sagittal Section through the Condylar Cartilage of the Lower Jaw of 



a Human Foetus, 95 mm. in length ( x 33) 77 



Fig. 18. Sagittal Section through the Coronoid Cartilage of the Lower Jaw of a 



Human Foetus, 95 mm. in length (x 33) ...... 78 



Fig. 19. Coronal Section through the Lower Border of the Left Half of the 



Lower Jaw of a Human Foetus, 230 mm. in length ( x 50) . . . 78 



Fig. 20. Right Half of the Lower Jaw of Turtle viewed from the Inner 



Aspect (J) 79 



Figs. 21 and 22. Scheme of the Developing Human Lower Jaw (Right Half) . 79 



Figs. 23 and 24. Coronal Sections of the Right Half of the Lower Jaw of a Mole 



Embryo (Talpa Europxa), 26 mm. in length ( x 25) . . . .80 



Variations in the Shape and Size of the Skull- 

 Fig. 1. Skull Showing a Persistent Metopic Suture which is Associated with a 



Synostosis of the Parietal Bones at the Sagittal Suture . . . 182 



Fig. 2. Skull with Absence of the Left Half of the Coronal Suture and the 



Bregma to the Right of the Middle Line 183 



Fig. 3. Median Longitudinal Section of a skull showing the Position of the 

 Lambda in a Normal Skull and its Average Situation in Skulls 

 with an Interparietal Bone 194 



Figs. 4 and 5. Skull of Pithecanthropus Erectus 198 



Tin- K.-ulN <if an Anthropological Investigation of the External Ear- 

 Fig. 1. Diagram to Explain t lie Method I'sed in Making Observations on the 



Ear 221 



Fig. 2. The Types of Ear Distinguished as Orang (A) and Chimpanzee (B) . 222 

 .;. Ear of Orang (A) and of Chimpanzee (B) (Natural Sue) . . . .224 

 1 i-. 4. The Kar -if the Chimpanzee (A) and of the "Chimpanzee" Type in Man 



(B) seen on a Full-face View '. . 225 



Fig. 5. Kar of the Gorilla (A), of Gibbon (B), and of Lemur (C) . . . . 225 

 Kiu'. r>. The Form of Kar Distinguished n- the Small Chimpanzee Type (Two- 

 thirds Natural Size) ' O L <I; 



