THE DEVELOPMENT OF LEPIDOSIKEN PARADOXA. 417 



The Development of Lepidosiren paradoxa. 



By 



J. Oraliaiii Kerr, 



Regius Professor of Zoology iu the University of Glasgow. 



Part III. — Development of the Skin and its Derivatives. 



Intkoduction. 



In the following pages I give an account of the chief 

 results ohtaiued from my investigation of the devekipment 



