CATALOGUE OF FOSSILS. 
329 
REFERENCES TO LOCALITIES GIVEN IN THE ACCOMPANYING LIST OF FOSSILS. 
Nn. Northamptonshire. 
Le. Leicestershire. 
R. Rutlandshire. 
Li. Lincolnshire. 
Y. Yorkshire (the references are to 
the species noted from other 
counties that occur also in 
Yorkshire). 
De. Devonshire. 
D. Dorsetshire. 
Somersetshire. 
Gloucestershire. 
Gl. Glamorganshire. 
O. Oxfordshire. 
Wo. Worcestershire. 
Wk. Warwickshire. 
S. 
G. 
The zonal grouping is arranged as follows : 
1. Zone of Ammonites planorbis. 
2. Zones of A. angulatus, A. Bucklandi, A. Turneri, and A. semicostatus. 
3. Zones of A. obtusns, A. oxynotus, and A. raricostatus. 
4. Zones of A. armatus, A. Jamesoni, and A. Ibex. 
5. Zones of A. Henleyi, and A. capricormis. 
6. Zone of A. 'mar gar i talus. 
7. Zone of 4. spinatvs. 
8. " Transition Bed" of Northamptonshire, and Zone of A. annulatuf. 
9. Zone of A. serpentinus, 
10. Zone of A. communis. 
11. Zone of A.jurensis (passage-heds between Lias and Inferior Oolite) 
x Passes up into Inferior Oolite or higher beds ; or occurs in the Khactic Beds 
below (according to the column in v/hich placed). 
