682 



MESSRS. S. S. BTJCKMAN AND E. WILSON [Nov. 1 896, 



Hyperlioceras and Terebratula Eudesi, similar to beds of the same 

 date at the Western-end Section (p. 676). 



The most noticeable features in this section are beds Nos. 6-8, 

 yielding a fine series of Witchellice, and the overlying Ironshot 

 Oolite, yielding Sonninice of the propinquans-tyipe, with ' Stepha- 

 noceras ' Sauzei. These beds are wanting from the sections previ- 

 ously described ; but in this part of the hill they have escaped ' The 

 Bajocian denudation/ 1 Still, there is a non-sequence between 

 Beds 5 and 4, and this gap is not filled by any strata shown in 

 any of the sections at Dundry. In order to make the sequence 

 complete, strata laid down during the niortensis-Humphriesiani 

 hemerae should be present. 2 



Another interesting fact — and one of economic importance — 

 about this section is the great attenuation, together with change in 

 character, of the deposit contemporaneous with the freestone of the 

 quarry near the church. The freestone deposit is only represented 

 at this Northern Main-road quarry by Bed 4, consisting of some 

 thin -bedded limestones about 4 feet in thickness. The decrease 

 will be best appreciated by consulting the plotted diagram, p. 695. 



Still proceeding in an easterly direction, the next exposure is 

 found near East Dundry, where the Ironshot Oolite crops out on 

 the hillside west of the village, but only the following very general 

 details have been obtained : — 



Sauzei. 

 Witchellice. 



SONtflNLE. 



(Disci™ to 

 Aalensis.) 



DuMORTIERLE. 



(DlSPANSI TO 

 BlFRONTIS.) 



Falciferi. 



Spinati and 

 ? Margaritati. 



ness 



Section Y. — East Dundry Village. 



1. The 'upper beds' crop out by 



the roadside in the village. 



2. 'The Ironshot Oolite.' 



3. The Upper White Ironshot. 



4. The Lower White Ironshot. 



5. The lower stone beds. (See 



general section, Table IV., 

 facing p. 696.) 



6. Dumortieria-beds : — Stiff clays with grey "^ 



sandstone-bands by 'theBookery' and 

 above ' Spring Farm.' 



7. An isolated block of the bifrons-heds — a 



pinkish stone, coarsely ironshot. Har- 

 poceras sp. 



8. Yellowish clay. 



9. Pinkish-grey earthy stone. Pseudolioceras 



sp. 5 inches. i 

 10. Strongly ironshot, somewhat variable, mas- 

 sive stone-block, with belemnites, Pseudo- 

 pecten ceqtrivalvis, Terebratula punctata, 

 and Ostrea in the lowermost 2 feet 



These rocks crop out 

 in the bank near a 

 rough path. 



These are hidden from 

 view. Estimated thick- 



ft. 

 15 



ins. 

 



55 



5 6 



Note. — The Marlstone, where it crops out on the opposite side of the valley, 

 contains Amaltheus margaritatus and Rhynchonella tetraedra. 



There are three ironshot beds at different horizons — Nos. 2, 7, and 10, — but 

 they are all very different, both in lithological characters and in the fossils which 

 they contain. This is a matter of some importance. 



i See p. 711. 



2 See ' The Bajocian of the Sherborne District,' Quart. Journ. Geol. Soc. 

 vol. xlix. (1893) p. 500, section of Frogden Quarry. 



