CONTENTS. 



Pages. 



Introduction 7-8 



Terminology 8-10 



Historical. . 10-17 



Material and Methods 17-19 



Development of cartilaginous capsule of ear 19-31 



Condensation of periotic meseachyme 20-22 



Differentiation of precartilage 22-24 



Differentiation of cartilage 24-2(3 



Growth and alteration of form of cartilaginous canals 26-31 



Development of the periotic reticular connective tissue 31-34 



1 >evelopment of the perichondrium 34-37 



Development of the periotic tissue-spaces 37-4S 



Development of the periotic cistern of the vestibule 38-40 



Development of the periotic spaces of the semicircular ducts 40-41 



Development of the scala tympani and scala vestibuli 41-40 



Communication with subarachnoid spaces 47-48 



Summary 48-50 



Bibliography 51 



Explanation of platea 52-54 



6 



