part 1] GAULT AND LOWER GREEXSANB NEAR LEIGHTON. 5 



plan (fig. 2) in the previous paper, will give the measure of the 

 later work. 



In regard to the general succession of the deposits and the com- 

 position of the limestone-lenticles, our former descriptions have 

 been found to hold good in all particulars, and need not be repeated. 

 Minor changes were constantly observed in the few feet of variable 



Fig. 2. — Ground-plan of the Shenley Hill sandpits. 



/ 



/ 



./ 



Mileiree Farm/ 

 pit/ 



rMiletree 

 pit \ 



\N aincrah printed within circles 

 refer to the niimhers of the text figures.] 



50 100 



Scale 

 200 300 



400 500 yards 



beds immediately beneath the Gault, and a new feature Avas pre- 

 sented towards the western end of G-arside's pit by the incoming of 

 a wedge of greensand between the Grault and the ironstone-breccia 

 (see figs. 4 & 12, pp. 11 & 22), but otherwise the features of the 

 sections remained the same throughout. The limestone Avas seen at 

 intervals in all three pits, always in the form of impersistent tabular 

 lenticles of variable size. It happened often on our visits that none 

 of the rock was visible in place, while at other times it Avas well 



