XVlll 



LIST OF ILLUSTRATIONS 



Lores foreluai 



^ar-ccverti. 



— Crtim 



BrtCLit. 

 S«eindary coverts Ur 

 Bastard urino- 



?Vl7ri(in( coverts— - 



Unier ZaiZ^cof ertt 



■-..UKbtr faii CcverEs 



