FURTHER STUDIES ON THE DEVELOPMENT OF THE 

 CRANIAL SYMPATHETIC GANGLIA 



ALBERT KUNTZ 



St. Louis University School of Medicine 



FOUR PLATES 



CONTENTS 



Introduction 235 



The fish 236 



Introductory 236 



Ganglia on cranial portion of sympathetic trunk 237 



Ciliary ganglion 242 



The Amphibia 243 



Introductory 243 



Cranial extension of sympathetic trunk 244 



Ciliary ganglion 245 



Discussion 246 



The turtle 247 



Ciliary ganglion 247 



Sphenopalatine ganglion 249 



Other ganglia 250 



The chick 251 



Ciliary ganglion 251 



Otic ganglion 252 



Sphenopalatine ganglion 253 



Submaxillary ganglion 254 



The pig 254 



Summary 254 



Discussion and conclusions 256 



Summary 257 



Bibliography 258 



INTRODUCTION 



Following an extended investigation of the development of 

 the sympathetic nervous system in the vertebrate series/ in which 

 the sympathetic ganglia in the cranial region were not specifically 

 considered, the writer has undertaken an investigation of the de- 

 velopment of the cranial sympathetic ganglia in types of the 



1 See bibliography. 



235 



THE JOURNAL OF COMPARATIVE NEUROLOGY, VOL. 24, NO. 3 

 JUNE, 1914 



