4G 



INFERIOR OOLITE AMMONITES. 



Ft. In. 



18. Yellow sands visible for some feet, and conjectured to extend down to 



the spring of w ater . . . . . . 40 



A 19. Upper Lias Clay ? 



VII. — Section of Nibley Knoll (fifteen miles from Gloucester south by west). 



Parkinsoni 1. 



zone. 



2. 





3. 





D'?4. 



Opaliuum 



C" 5 



zone. 



6 





0" 7. 





8. 





9. 





10. 





11. 





12. 



Striatulum C 13 



subzone. 





14. 



15. 



CoUeswoldB"16. 

 Sands. 

 Variabilis ,„ 

 subzone. 



18, 



Teioonia-geit and rubble .... 



Pale-coloured freestone with oolitic grains not coloured with iron ; with 



dark brown bands occasionally 

 Preestone imperfectly shown .... abou 1 



Pale, somewhat sandy rock, very slightly oolitic ; imperfectly shown 



Pholodamya fidicula, Trigonia striata, Astarte . . about 



Band of pale, slightly oolitic rock, irony grains 

 Light yellow rubbly marl with irony grains. Lioc. opalinum, Kein. 

 Band of rock. Rh. cynocephala, Rich. 



Yellowish-grey clayey marl .... 



Yellow marl, oolitic, somewhat concretionary 

 Yellow and yellowish-grey marly shales, many dark oolitic grains 

 More concretionary marls with Ammonites . 

 Much the same as 10 . 

 Hardish yellow oolitic rock. Gramm. striatulum, Sow. ; Hamm. insigne 



Schubler ...... 



Dark brown oolitic paste ; looks like crushed linseed. Gramm. radiant 



Wright (pi. lxiv, fig. 1) 

 Hard, irregular rock, in two layers. Gramm. striatulum abundant 



Lytoceras (of the jurense group) 

 Fine yellow sands, harder at the top. Perhaps divided by concretionary 



layers, but none such visible .... about 

 Yellowish-brown, concretionary, sandy layer ; no fossils 

 Hard, bluish-yellow, slightly sandy rock, with Belemnites, Turbo, Amber- 



leya, Lima, &c. ..... 



Fine yellow sands ..... 



Yellow sandy stone; only one species of Ammonite, which is small and 



fairly abundant ..... 



Yellow sands ...... 



Band of yellow sandy stone .... 



Yellow sands ...... 



Band of yellow sandy stone 



Yellow sands ...... 



Band of yellow sandy stone .... 



Yellow sands ...... 



Band of blue-centred sandy stone, not well exposed. Harp. ? compactile 



Simpson ; Stephanoceras, Belemnites, &c. 

 Yellow sands ...... 



Band of blue-centred sandy stone. Lytoceras sublineatum, Oppel ; Harp. .< 



compactile, Simps. ; Ilaugia Ogcrieni ? Dam.; Stephanoceras, &c. 



5 



25 

 10 



1 



7 



1 2 



60 



9 



7 



10 



G 

 6 



6 



