FIXITY OF LAWS AND PROPERTIES OF ENERGY AND MATTER 

 PERMANENCE OF CONTINENTS AND OCEANS THE 

 PERMANENT AND THE CHANGEABLE - PERMANENCE OF 

 ANIMAL AND VEGETABLE FORMS AND STRUCTURES 

 PRINCIPLES OF CONSTRUCTION IN THE PARTS OF TRILO- 

 BITES IN THE SKELETONS OF SPONGES IN EARLY 

 VERTEBRATES IN PLANTS LAWS OF FIXITY AND 

 DIVERSITY 



