LIST OF ILLUSTRATIONS 
Genealogical tree, showing the ancestral stems and probable 
lines of descent of the higher primates . . . frontispiece 
FIG. PAGE 
1. A map of the part of Kent in which Coldrum is situated . . 4 
2. Megalithic monument at Coldrum viewed from the east . . 5 
3. Surface-plan of the Coldrum monument ..... 7 
4. One of the Coldrum skulls set within a framework of lines 
which bound the chief diameters of a modern skull of mean 
size ............ 10 
5. Side and front views of the Trent cranium .... 14 
6 Side and front views of a skull from a Neolithic burial-place in 
Malta 15 
7. Form of skull of ancient Egyptians of the Sixth Dynasty, from 
the side and from the front . . , . . . .16 
8. Ground-plan of an ancient Egyptian tomb .... 18 
9. Ground-plan of a " giant's tomb," Sardinia ; and sketch-plan of 
the Coldrum monument, showing points of resemblance . 19 
ID. Skull from a Neolithic sepulchre in France, which had been 
trepanned in three places .21 
lOA. Kits Coty house, a Megalithic monument near Coldrum . . 22 
11. The land-connection between England and the Continent in 
early Neolithic times 24 
12. Diagram to show the various strata which buried the old land 
surface and the human skeleton at Tilbury .... 26 
13. The Tilbury skull fitted within the standard frame for modern 
British skulls of average size 27 
14. Section of the deposits exposed in a site at St Heliers, Jersey . 31 
1 5. Skull of a woman, from a Neolithic cist, La Motte, Jersey . 34 
16. Views of the Carnon calvaria, from the side and from above . 36 
17. Side view of a skull at a depth of 30 feet in an alluvial tin 
mine at Sennen, Cornwall . y] 
18. Fragment of skull found at Aberavon, superimposed on an out- 
line of the Newport skull ....... 39 
