185 



The Brachiopoda bed (No. 4 section) is a hard, compact, 

 crystalline, buff-coloured Limestone, containing great numbers 

 of Terebratula Phillipsii, Mot., which is the dominant fossil, 

 with some specimens of — 



Terebratula perovalis, Smv. Ehynchonella spinosa, Scholth. 



II carinata, Lamk. " subtetrahedra, David. 



II Buckmaui, David. « angulata, Smv. 



The Roadstone (No. 5 section) is a hard, brown, ferruginous, 

 oolitic Limestone, with a small assemblage of MoUusca ; as — ■ 



Cephalopoda. 

 Ammonites Orbignianus, Wright Ammonites Brocchi, Sow. 



II Humptriesianus, Sou'. « Braikenridg^, Sow. 



II Sowerbii, Mill. Nautilus lineatus, Sow. 



Gasteropoda. 

 Cbemnitzia Scemanni, Oppel. Pleurotomaria fasciata, Soiv. 



II lineata, Sotu. » elongata, Sow. 



Turbo laevigata, Soiu. « constricta, Desl. 



CONCHIFEEA. 



Ostrea flabelloides, Lamk. Mytilus explanatus, Mor. 



Hiunites tuberculosus, Ooldf. Pboladomya Heraulti, Agass. 



Lima proboscidea, Sow. Homomya orassiuscula, Lye. 



II Etberidgii, Wright. Myoconcha crassa, Sow. 



II duplicata, Sow. Pteropema plana, Lye. 



Trichites undulatus. Lye. Trigonia costata, Sow. 

 Astarte excavata. Sow. « striata, Sow. 



Cypricardia cordiformis, Desh. " decorata, Agass. 



Myacites calceiformis. Sow. Modiola imbricata. Sow. 



Gervillia consobrina, d'Ori. Pinna fissa, Phil. 



The Oyster bed (No. 6 section) consists of a coarse, brown, 

 ferruginous, sandy marl, with inconstant rocky bands, and 

 contains the fossils in sandy seams; these are — 



CONCHIFEKA. 



Ostrea flabelloides, Lamk. Gresslya abducta, Phil. 



II pj^formis, Wr. Pleuromya tenuistriata, Ag. 



Pecten demissus, Ooldf. Pboladomya Heraulti, Ag. 

 Lima proboscidea. Sow. « ovulvun, Ag. 



II Etberidgii, Wr. « media, Ag. 



Monotis tenuicostata, Wr. ■• Dewalquei, Lye. 



