Komenclature for Marine Tertiary Deposits. 81 



There still remains a number of localities which we have not 

 grouped with any of the formations. With regard to these we 

 consider the published evidence or our own knowledge to be 

 insufficient for the expression of a definite opinion. 



THE SEQUENCE AND AGE. 



As an addendum to the main part of this note we may as well 

 consider the different views which have existed as to the sequence 

 and age of the beds to which we have attached names. 



(in part) (in part) 



We thus have not only differences of opinion as to the ages of 

 the beds but also as to the sequence of the component formations. 



To put the matter in another way, the sequence according to 

 the various authors would be — in descending order. 



M'Coy. 



Kalimnan 

 Jan Jucian 

 Balcombian 



Tate & Dennant. 



W^errikooian 

 Kalimnan 

 Jan Jucian 

 Balcombian 

 Aldingan (in part) 



Hall & Pritchard. 



Werrikooian 

 Kalimnan 

 Balcombian 

 I" Jan Jucian and 



\ Aldingan (in part) 



