Fig. 3. — Collated Sections of the " TJitenhage formation" {Jurassic). 



ier Sundays River (Addo and 

 tfodder Drifbs) (Sect. G). 



rSundai/sBiver(M''Loagh- 



hn's Bluff, near Prince Alfred's 

 Best) (Sects. E & F combined). 



(Section H of Author, including his Sections A, B, C, E & F and G 1 



Upper Zwartkops Uiver. 



[Tb/arcep. 600. 



Cuyler's 

 Manor 

 (Sect. C). 



Old G-rahamstown 

 Eoad (Sect. B). 



Lower Zicartkops Uiver, 



Rocke's Bluff and old road 



below it (Sect. 4). 



Pinna AHierstonei 



Trigonia Herzo- [ =Ui, 

 gii, and Astarte 

 Longlandsiana. 



Ammonites suban- 

 eeps, Modiola Bai- 

 nii, and Gastro- 

 chtBna in wood. 



Trigonia Herzogii, 

 T. conocardifor- 

 mis, T. vau, 

 tarteHerzogii. 

 Cyprinaruguloi 



Eed Marly Clay. 

 - Tufaceous Limestone. 

 "- Conglomerate. 



Oyster-bed. 



Few and small Tri- 

 gonia. 



'Zone of Trigonia ven- 

 tricosa and T. vau, 

 with Germllia den- 

 tata, Exogyra im- 

 bricata, &c. 



Few Hamites and 

 wood. 



Zone of Modiola 

 and Hamites: Be- 

 lemnites, Ancyh- 

 ceras (?), Trigonia 

 GoUfussi, Crassa- 

 tella complicata, &c. 



|B Astarte Herzogii, Tri- 

 gonia Herzogii, Pleu- 

 romya lutraria. 



— — ; Trigonia. 



jAmmonites and Trigonia Herzogii, with, rarely, Exogyra im- 



bricata, Trigonia conocardiformis, and Pkuromya lutraria. 



■ Cuculliea-zone, with Cucullma Kraussii, Trigonia Herzogii, As- 

 tarte Herzogii, Pleuromya lutraria, Exogyra imbricata (all 

 common), Trigonia vau, T. conocardiformis, &c. (rare). 



Zone of Exogyra imbricata, with 

 Ammonites, Astarte Longland- 

 siana, Trigonia Cassiopc, and 

 Cucullrea Kraussii (all rare), 

 and Astarte Herzogii and P/<ii(- 

 romya lutraria (common). 



Zone of Astarte Bronnii, with 

 Isastriea Bichardsoni, Plenro- 

 mya lutraria, Astarte Herzogii, 

 Pholadomya dnminicaKs, &o. 



