256 HISTORICAL PALAEONTOLOGY. 



(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' (Palosontographi- 



cal Society). Wright. 



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



ciety). Davidson. 



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



ris and Lycett. 



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



Lycett. 



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



Edwards and Ilainie. 



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



graphical Society). Martin Duncan. 



(21) 'Monograph of the Belemnitidse ' (Palseontographical Society). 



Phillips. 



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



(23) ' Sur les Belemnites. ' Blainville. 



(24) ' Cephalopoden.' Quenstedt. 



(25) ' Mineral Conch ology.' Sowerby. 



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



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



(28) ' Petrefaktenkunde.' Schlotheim. 



(29) ' Bridgewater 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) ' Lethsea Rossica. ' Eichwald. 



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



(37) ' Manual of Palseontology.' Owen. 



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



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



ontographical Society). Owen. 



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



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 systenvof chalk (Lat. creta, chalk). 



