CRETACEOUS PERIOD. 



473 



England. The Ammonites and the uncoiled forms of the same family 

 mentioned on p. 462, several of which are here figured (Figs. 867- 

 871) were particularly abundant. One English Ammonite (the A. 

 Lewesiensis Mant), from the Lower Chalk, has a diameter of a yard. 



Figs. 867-871. 



Cephaiopods, Ammonite Family. — Fig. 867, Crioceras JDuvalii ; 868, Ancyloceras Matheronianum; 

 869, Hamites attenuatus; 870, Toxoceras bituberculatuni;871, Tuirilites cateuatus. 



In the sub-kingdom of Vertebrates, there were Fishes of the 

 modern order of Teliosts, or Osseous fishes, and Sharks of the modern 



Fig. 872. 



Teliost. — Osmeroides Lewesiensis {X%)- 



tribe of Squalodonts, as stated with regard to America. One of these 

 Osseous fishes is represented in Fig. 872. They included representa- 



