XIV CONTENTS 



CHAPTER IX 

 A STUDY OF THE SKELETON 



PAGE 



X-Ray Pictures The Uses of the Bony Framework of the Body 



Regions of the Skeleton 159 



1. THE SKELETON OP THE ARMS AND LEGS : Bones of the Arm 



Bones of the Leg . 160 



2. THE SKELETON OF THE NECK AND TRUNK: The Spinal 



Column The Structure of a Vertebra The Structure of 

 Atlas and Axis Adaptations shown in the Spinal Column 



The Ribs and Sternum The Pectoral Girdle The 

 Pelvic Girdle 162 



3. THE SKELETON OF THE HEAD : The Bones of the Cranium 



The Bones of the Face Adaptations shown in the 

 Structure of the Skull 170 



4. DIFFERENCES BETWEEN THE SKELETON OF A CHILD AND 



THAT OF AN ADULT : Differences in Composition Differ- 

 ences in the Skull Differences in the Spinal Column 

 Differences in the Breastbone Differences in the Bones 

 of the Arm and of the Leg ....... 172 



6. STRUCTURE OF BONES: Structure of a Rib Structure of a 

 Soup Bone Advantages of Hollow Bones Blood Supply 

 in Bones Classification of the Bones in the Human 

 Skeleton 174 



6. CHEMICAL COMPOSITION OF BONE : Effect of Burning Bones 



Action of Acid on Bones Nutritive Ingredients found 



in Bones 177 



7. A STUDY OF JOINTS : Definition of a Joint Structure of a 



Leg-joint of Lamb Classification of Joints . . . 179 



8. THE HYGIENE OF THE SKELETON: Food and the Skeleton 



Effect of Pressure on Bones 182 



9. ACCIDENTS TO THE SKELETON: Fractures Dislocations 



Sprains .184 



10. A COMPARATIVE STUDY OF SKELETONS: Skeletons of In- 

 vertebrates and of Vertebrates Invertebrate Skeletons 

 Vertebrate Skeletons Anterior Appendages of Mammals 

 Peculiarities of the Human Skeleton . . . 186 



