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' (Palasontographl 



cal Society). Wright. 



(16) ' Brachiopoda of the Oolitic Formation' (Pal^ontographical So 



ciety). Davidson. 



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



ris and Lycett. 



(18) ' Monograph of the Fossil Trigoni^e' (Palaeontographical Society) 



Lycett. 



(19) 'Corals of the Oolitic Fomnation' (Palaeontographical Society) 



Edwards and Ilaime. 



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



graphical Society). Martin Duncan. 



(21) 'Monograph of the Belemnitidse ' (Palaeontographical Society) 



PhiUips. 



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



(23) ' Sur les Belemnites. ' Blainville. 



(24) ' Cephalopoden.' Quenstedt. 



(25) ' Mineral Conchology.' Sowerby. 



(26) ' Jurassic Cephalopoda ' (Palaeontologica 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- 



idge. 



(33) ' Beitrage zur Petrefaktenkunde.' Miinstei". 



(34) ' Petrefacta Germanise.' Goldfuss. 



(35) ' Leth^ea Rossica.' Eichwald. 



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



(37) ' Manual of Palaeontolog}'. ' 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. Joum. Geol. See.,' 



vol. xxvi., 1S70. Huxley. 



CHAPTER XVIL 



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). 



