Quart. Journ. Geol. Soc. Vol. LX, PI. XXIII. 



oAdr,„, y .i Key-map, 



giving the names of the localities 

 referred to in the text. 



Approximate Localities of some of 



the Deposits of Rcrl Stony Clay, ^i| 



with heights in feet thus XS^ 



[.For'Ahydus' read 'Abydos' j for • Herak . . it* ' read 'Heraklitai'; and for' llura' read 'Hora'.] 



