INSTRUCTIONS TO BINDER. 



The explanation to Plate I should be placed to face Plate III ( = I). 

 The explanation to Plate II should be placed to face Plate I ( = II). 

 The explanation to Plate III should be placed to face Plate II ( = III). 

 Plate A (with explanation) should be placed to face page Ixxxii in Pro- 

 ceedings, before Plates B and C. 



