THE HAS. I 25 



bed, full of the remains of fishes and reptiles. Be- 

 neath the black shale are the tea-green marls, 

 which pass down through other marls into the 



KLe iper beds. 3 of the existing Australian 



fish evidenced by teeth i. ur ; as- 



I with extinct g of sharks, such as 



//. fus and which characterise the 



•nmon sea-shells of Rhaetic age include 



a ( id a PeCten, Mich as might occur on 



our <»w n sh< >res at I h ciated with 



Avicula, a horse-mussel and an oyster. 



• rial Saurian with teeth 

 like Megalosau - irs in Rhaetic beds in Som 



The Echt d P esi< isaurs, which 



found for the first time in this stratum in this 



1 not dil e of the newer 



Rhaetic strata occur in most European coun- 



- in which the 1 sloped ; but are no- 



whe indly exhibited than in the Kinetic 



Alps Of Lombardy and Austria. 



CHAPTER XV. 



1 II 1. LIAS. 



In the Jura range between France and Switz- 

 erland, which furnishes the continental type for 



ks like our Lias and Oolites, the Jurassic beds 

 commonly divided into three parts, named 

 Black, Brown and White. The Black Jura corre- 

 sponds generally with the Lias ; the Brown Jura 

 with the lower Oolites; and the White Jura with 



