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HISTORICAL PALAZAONTOLOGY. 
‘ Paléontologie du Département de la Moselle.’ Terquem. 
‘Cours élémentaire de Paléontologie.’ D’Orbigny. 
‘ Paléontologie Frangaise.’ D’Orbigny. 
‘ Fossil Echinodermata of the Oolitic Formation’ (Paleeontographi- 
cal Society). Wright. 
‘Brachiopoda of the Oolitic Formation’ (Palezontographical So- 
ciety). Davidson. 
‘Mollusca of the Great Oolite’ (Palzeontographical Society). Mor- 
ris and Lycett. 
‘Monograph of the Fossil Trigonize’ (Palzeontographical Society). 
Lycett. 
‘Corals of the Oolitic Formation’ (Palzeontographical Society). 
Edwards and Haime. 
‘Supplement to the Corals of the Oolitic Formation’ (Palzonto- 
graphical Society). Martin Duncan. 
‘Monograph of the Belemnitidz’ (Palzontographical Society). 
Phillips. 
‘ Structure of the Belemnitidz’ (Mem. Geol. Survey). Huxley. 
‘Sur les Belemnites.’ Blainville. 
*‘Cephalopoden.’ Quenstedt. 
‘Mineral Conchology.’ Sowerby. 
‘ Jurassic Cephalopoda’ (Palezeontologica Indica). Waagen. 
‘Manual of the Mollusca.” Woodward. 
‘ Petrefaktenkunde.’ Schlotheim. 
‘ Bridgewater Treatise.’ Buckland. 
‘ Versteinerungen des. Oolithengebirges.’ Roemer. 
‘ Catalogue of British Fossils.’ Morris. 
‘ Catalogue of Fossils in the Museum of Practical Geology.’ Ether- 
idge. 
‘Beitrage zur Petrefaktenkunde.’ Miinster. 
‘Petrefacta Germaniz.’ Goldfuss. 
‘Lethzea Rossica.’ Eichwald. 
‘ Fossil Fishes’ (Decades of the Geol. Survey). Sir Philip Egerton. 
‘Manual of Paleontology.’ Owen. 
‘ British Fossil Mammals and Birds.’ Owen. 
‘Monographs of the Fossil Reptiles of the Oolitic Formation’ (Palze- 
ontographical Society). Owen. 
‘Fossil Mammals of the Mesozoic Formations (Palzeontographical 
Society). Owen. 
‘Catalogue of Ornithosauria.’ Seeley. 
** Classification of the Deinosauria””—‘ Quart. Journ. Geol. Soc.,’ 
vol. xxvi., 1870. Huxley. 
CHAPTER XVit. 
THE: CRETACEOGS, PERICL, 
The next series of rocks in ascending order is the great and 
important series of the Cretaceous Rocks, so called from the 
general occurrence in the system of chalk (Lat. crefa, chalk). 
