LIST OF ILLUSTRATIONS 



The Neanderthal Man Frontispiece 



PAGE 

 Figure 1. Distribution of Stature of American Boys 10 J years old . 8 



Figure 2. Curve of Distribution 9 



Figure 3. Diagram illustrating a Mutation 11 



Figure 4. Diagram of Mendelian Inheritance in the Pea ... 12 



Figure 5. Mendelian Inheritance in Mice 14 



Figure 6. Mendelian Inheritance in Four-o'clocks 10 



Figure 7. Diagram of Inheritance of Body Cells and Germ Cells . 34 

 Figure 8. Hair-tracts on the Arms and Hands of Man, as compared 



with those on the Arms and Hands of the Chimpanzee 42 

 Figure 9. Front and back view of adult Human Sacrum, showing 



abnormal persistence of Vestigial Tail-muscles ... 44 

 Figure 10. Rudimentary, or Vestigial and useless, muscles of the 



Human Ear 45 



Figure 11. A series of Embryos at Three Comparable and Progres- 

 sive Stages of Development, representing four divisions 



of the class Mammalia 47 



Figure 12. Portrait of a Young Male Child. Photographed from life, 

 when the mobile feet were for a short time at rest in a 



position quite apelike 49 



Figure 13. An infant, three weeks old, supporting its own weight for 

 over two minutes. The attitude of the lower limbs, 

 feet, and toes is strikingly simian ...... 51 



Figure 14. Diagram illustrating the character and relative age of 

 Human remains and the Quaternary deposits in which 



they have been found 53 



Figure 15. Europe during the Period of Maximum Glaciation . . 54 

 Figure 16. An Alaskan Glacier sweeping down the Valley and gouging 

 out Rock and Stone. A similar situation existed in 

 many parts of now habitable Europe during the Glacial 



Period 50 



Figure 17. Top and Side view of Neanderthal Cranium .... 59 

 Figure 18. A reconstruction of the Neanderthal Type of Skull . . 01 

 Figure 19. The Cranium of the Pithecanthropus Erectus with Tooth 



and Thigh bone 02 



Figure 20. The Gorilla, Neanderthal Man and Modern Man compared (53 



Figure 21. Comparison of Crania C5 



Figure 22. Sand-pit at Maure, near Heidelberg, where tlie Prehistoric 



Jaw was found 00 



Figure 23. Comparison of Jaw of Modern Man witli Jaw of Heidelberg 



Man and Chimpanzee 1 07 



Figure 24. Eolithic Implements 68 



