Renevier's 



Ohronograpiiic 



Subdivisions.^ 



\_± V javt \). ^fJ\J. 



Chronological Terms. 



Ages. 



Bathonien 



trkinsonian 

 Age. 



Epochs. 



Bajociezi. 



Aalenien 



Liiinian Age. 



Iwigian Age. 



Toarcien 



Pliensbachien 



Stepheocera- 

 tidan Epoch. 



irpoceratan 

 Age. 



Dceratan Age. 



Arietidan 

 Epoch. 



Sinemurien 



roceratan Age. 



Hettangien 



Rhetien (as a divi 

 sion of Jurassic) 



ical terms. They are on 



luthorities have as to the 



rendu Vl^me Congr. Ge^ 



oceratan Age. 



jcording to faunal contents, they are 



locality.— June 16th, 1898.] 



ni en may qualify Stage or Age.] 



