208 



THE GEOLOGICAL STKUCTURE OF THE 



Stbiatuli. 

 (2 in. of bed 7 ; the 

 other 4 inches of the 

 6" belongs to Dis- 

 pansi). 



5. Bluish arenaceous clay 



6. "The Upper i2/i^?ic/io?jeZZa-bed." Yel- 



lowish-brown iron-speckled stone. 

 Rhynchonella aff. Moorei 



7. Brown, irregularly iron- speckled stone. 



Gvammoceras Struchnanni, and cana- 

 liculate Belemiiites in the upper por- 

 tion. Haugia aff. Eseri, Gramm. 

 striatulum, and numerous c^'iindrical 

 belemnites at the base, and about 2 

 inches up. Rhynchonella aff. Moorei 

 in the bed. Thickness 6" 



ft. ins. ft. ins. 

 1 



Dark brown, ironshot stone. Gram- 

 moceras striatulum, Belemnites 



Variabilis. 9. Stone with similar matrix. Fragments 

 of several species of costate tubercu- 

 late Haugia a.&.jugosa. Zeilleria aff. 

 anglica 



10. Stone with similar matrix. Haugia aff. 



jugosa. Large belemnites 



11. '^Theliowev Rhynchonella-hed.'" Stone 



with similar matrix, Haugia sp., 

 Rhynch. aft'. Moorei.^ The bed also 

 contains the following derived fossils, 

 showing a pink matrix, and more or 

 less coated with iron oxide. Hildo- 

 ceras bifrons, and especially the thin 

 form. Dactylioceras, spp. ; frag- 

 ments of Harpoceras aff. falciferum ; 

 also irony lumps 



12. Compact, blue, irregularly ironshot 



limestone with iron lumps, bearing 

 worm -tracks. Derived lumps of a 

 pink matrix, and derived fossils — 

 same as in bed above. Belemnites, 

 smooth Pectens, Rhynchonella 



4 



2 



6 



2 2 



8 



3 



21 



4 



4 



1 1^ 



^ It is a different form from the Rhynchonella in bed 10. 



