part 4] 



JFEASSIC CHEONOLOar : LIAS. 



283 



Mater-Etmae's Scheme, with Correlation. 



Terms of Qtienstedt\ 

 present Lias 



paper. Divisions.' 

 Mittleres Jura - S^-stem.^ 



Table XI 



Mayer-Eymar s Terms 



.1. Bedfordin. — Niveau der 



Terehratula lagenalis. 

 I. Bradf ordiu. — Niveau des 



Apiocrinus JParkinsoiii.' 

 I. Fata is in. — Niveau der Neri- 



nea Voltzi. 

 .1. Stonesfieldin. — Niveau des 



Clypeus Ploti. 

 I. C ado mill. — Haupt-Niveauder 



Ostrea acuminata.' 

 I. E h u i n g i n. — Haupt - Niveau 



des Ammoyiites Pai-Tcinsoni. 

 1. S c a r b r u gh i n. — Ni veiiu des 



Ammonites Utimphriesi. 

 I. Macon in. — Haupt-Niveaudes 



Ammonites Soiverhyi.' 

 [I. Cli el ten ham in. — Niveau des 



Ammonites Murchisona:. 

 [I. Gundershot'in. — Niveau der 



Trigonia navis. 

 I. Boll in. — Niveau d^Q?, Ammon- 

 ites torulosits.' 

 [I. Alfeldin. — Haupt-Niveaudes 



Ammonites Jurensis. 

 [r. Altortin. — Niveau des Be- 



lemnites acuarius. 

 I. Pliensbacliin. — Niveau des 



JBelemnites papiUatus.' 



Unteres Jura - Sj-^stem. 



fill, a, b. Banzin. — Niveau des ") 

 I Pecten cequivalvis. \ 



CharmouthianJ 11a, h. Men din. — Haupt-Niveau > 

 (Mayer-Eymar). I des Arnmonites Jimhriatus. ) 



I l,a,b. Rottorfin. — Niveau des 7 

 I Ammonites Jamesoni.' ) 



' Bathian 

 (Maj'er-Eymar) . 



' Vesulliak 

 (Mayer-Eymar), 



' Bajocian 

 (D'Orbiguy). 



' Aalenian 

 (Mayer-Eymar). 



* TOAECIAN 



(D'Orbigny). 



Yeovilian. 



Whitbian. 



Domerian. 

 Hwiccian. ^ 



Wessexian. 



Raasaj'an. 



' SiNEMURIAN 



(D'Orbigny). 



' Rh^tian 

 ([Giimbel] m-^.) 



II, a, b, c. Balingin. — Niveau des 

 Ammonites oxynotUs. 

 l,a,b. Filderin. — Haupt-Niveau 

 der Gryphcea arcuata! 



11, a, b. Hettangin. — Niveau des 

 Ammonites anqulatus. 

 I. Koessenin — Niveau der Avi- 

 cula contortaJ 



Deiran. 



Mercian. 



Lymian. 



Hettangian. 



^ The lithographed paper differs in not giving definite divisional terms such as 

 ' Banzin ' and so on, but speaks only of * Couches de Banz ' and so on. 



2 Quenstedt's Lias Z, includes beds higher and lower than Yeovilian, and his Lias e 

 is of less extent than Whitbian. 



