256 HISTORICAL PALEONTOLOGY. 



(12) ' Paleontologie du Departement de la Moselle.' Terquem. 



(13) ' Cours elementaire de Paleontologie.' D Orbigny. 



(14) ' Paleontologie Francaise.' D'Orbigny. 



(15) 'Fossil Echinodermata of the Oolitic Formation' (Paloeontographi- 



cal Society). Wright. 



(16) ' Brachiopoda of the Oolitic Formation' (Palaeontographical So- 



ciety). Davidson. 



(17) ' Mollusca of the Great Oolite' (Palaeontographical Society). Mor- 



ris and Lycett. 



(18) ' Monograph of the Fossil Trigoniae' (Palseontographical Society). 



Lycett. 



(19) 'Corals of the Oolitic Formation' (Palseontographical Society). 



Edwards and Ilaime. 



(20) ' Supplement to the Corals of the Oolitic Formation ' (Pakeonto- 



graphical Society). Martin Duncan. 



(21) 'Monograph of the Belemnitidae' (Palaeontographical Society). 



Phillips. 



(22) 'Structure of the Belemnitidae' (Mem. Geol. Survey). Huxley. 



(23) ' Sur les Belemnites.' Blainville. 



(24) ' Cephalopoden.' Quenstedt. 



(25) ' Mineral Conchology.' Sowerby. 



(26) 'Jurassic Cephalopoda' (Palseontologica Indica). Waagen. 



(27) 'Manual of the Mollusca.' Woodward. 



(28) 'Petrefaktenkunde.' Schlotheim. 



(29) ' Bridge water Treatise.' Buckland. 



(30) ' Versteinerungen des Oolithengebirges.' Roemer. 



(31) ' Catalogue of British Fossils.' Morris. 



(32) ' Catalogue of Fossils in the Museum of Practical Geology.' Ether- 



id ge. 



(33) 'Beitrage zur Petrefaktenkunde.' Minister. 



(34) ' Petrefacta Germanise. ' Goldfuss. 



(35) ' Lethaea Rossica. ' Eichwald. 



(36) ' Fossil Fishes ' (Decades of the Geol. Survey). Sir Philip Egerton. 



(37) ' Manual of Palaeontology.' Owen. 



(38) 'British Fossil Mammals and Birds.' Owen. 



(39) ' Monographs of the Fossil Reptiles of the Oolitic Formation ' (Palae- 



ontographical Society). Owen. 



(40) ' Fossil Mammals of the Mesozoic Formations ' (Palaeontographical 



Society). Owen. 



(41) 'Catalogue of Ornithosauria.' Seeley. 



(42) "Classification of the Deinosauria" 'Quart. Journ. Geol. Soc.,' 



vol. xxvi., 1870. Huxley. 



CHAPTER XVII. 

 THE CRETACEOUS PERIOD. 



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. creta, chalk). 



