28 



THE LIAS AMMONITES. 



Section of the Angulatum-beds at Redcar {Yorkshire). 



No. 



LlTHOLOGV. 



9 

 10 



11 



12 

 13 



14 



15 



16 



17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 11 

 28 

 29 

 30 

 31 



Base of the lowest scar of the Bucklandi 



zone 



Blue shale with a line of Am. Conybeari 



at the depth of 1 foot 



Indurated shale 5 inches, earthy lime-^ 



stone 1 inch > 



Blue shale ) 



Triable shale, Oyster bed, and irregular 



limestone nodules 1 i inches 



Blue shale 



Friable shale, 



2 inches 



Blue shale 



with Oysters chiefly, 



Band of small Gryphsea, £ inch ; blue 

 shale 



Shell band and shelly limestone, 

 1| inch; irregular, 5 inches. Blue 

 shale 



Shelly limestones, sometimes Encrini-") 

 tal, with shale, 2\ inches > 



Blue shale ) 



Coral bed : a friable shale with small 

 pebble-like concretions at top, very 

 fossiliferous, 2^ inches 



Depressed, irregular limestone doggers, 



1^ inch 



Shale with Gryphcea arcuta 



Earthy subcrystalline limestone 



Black smooth shale 



Friable shale and Oyster band... 



Smooth shale 



Siliceous limestone, | inch 



Smooth shale 



Limestone doggers, depressed .. 



Thin shell limestone 



Friable shale 



Smooth shale, 9 inches 



Earthy limestone or doggers ... 



Smooth shale 



Blue siliceous limestone 



Friable shale 



Siliceous limestone 



Friable shale 



Organic Remains. 



Arietites Conybeari, Lima gigantea, Pentacrinus. 



Cardinia Listeri, Gryphcea arcuata, Lucina lim- 

 bata, Pentacrinus. 



Aegoceras angulatum, Gryphcea (small). 



Unicardium cardioides. 



Aeg. angulatum. 



Aeg. angulatum, Pleurotomaria similis, Dentalium 

 Etalense, Astarte (Jppeli, Lima gigantea, Car- 

 dinia Listeri, Pleuromya crassa, Serpula 

 socialis. 



Aeg. angulatum (large size), Gryphcea. 



Aeg. angulatum, Cardita Heberti, Lucina lim- 

 bata, Plicatula Hasina. 



Terquemia arietis, Perna infraliassica, Rhyn. 

 plicatissma, Montlivaltia polymorpha. 



Aeg. angulatum, Plicatula Hasina. 



Aeg. angulatum, Eucyclus elegans, Astarte obsoleta. 



Aeg. angulatum, Encyclus acuminatus. 



Aeg. angulatum, Astarte Oppeli, Cardita He- 

 berti, Plicatula Hasina, Pleurot. similis, Montli- 

 valtia Haimei, Serpida socialis, Waldheimia 

 Sarthacensis. 



Aegocras angulatum (large). 

 Aeg. angulatum (large). 



Lima gigantea. 



Aeg. angulatum. 

 Cardinia oralis. 



Ostrea ungula, Dentalium Etalense. 

 Aeg. angulatum. 



Aeg. angulatum. 



Paleontology. — The Angulatum-beds in the Department of Cote-d'Or have yielded a 

 very rich fauna to the researches of M. Martin ; many of these fossils were described and 

 figured in the memoir already cited, and MM. Terquem and Piette have made like 



