ON BXCAVATIONS IN THE PALMOZOIG ROCKS OF WALES, ETC. 185 
a deeper excavation being made here and there. Only the surface aspect 
of the rocks could be seen, and it is quite possible that the dips and strikes 
observed, and the thicknesses of the beds deduced therefrom, may be 
somewhat inaccurate. The easterly dip of the shales at the western end 
of the section is taken to be a reversed westerly dip, due either to surface 
creep down the natural slope of the ground, or to actual inversion of the 
strata. 
The beds are described from west to east as probably representing 
the descending order of succession. 
In order to identify in the future the exact positions of the beds of this 
section, which is certain to be overgrown in a year or liwo, measurements 
were taken along the gutter from the stile in the fence where the footpath 
(Comley to Lawley Hill) crosses the road ; these distances are given in the 
left-hand column of the following description :— 
W.N.W. End of the Section. Estimated 
Distance from thicknesses 
stile in of beds 
feet. in feet. 
156 At this point there is a grating for rain water in the gutter. 
156 to 200 Signs of shale in the soil but no solid rock. 
200 to 250 a. Shale, cf. Shoot Rough: Road Shales of the upper Section.— 
Pale bluish-grey shale, weathering brown, containing 
much mica and several hard bands (3 to ? inch thick) of 
siliceo-micaceous material, one of which (at 224 feet) 
yielded brachiopods. The strike is at first N.N.W. and 
§.S.E., with an easterly dip of about 75°, but, in the last 
6 or 8 feet of the shale, the strike works round to nearly 
N. and §. witha vertical dip. é about 30 
‘The dominant form is a minute ribbed Orthis with lobe on 
pedicel valve and a sinus on brachial valve. It ap- 
proaches the Upper Lingula Flag form Orthis lenticularis, 
Wahl, but is smaller and probably a distinct variety. The 
fossils are preserved as casts in the shaley sandstone, 
which does not lend itself to the preservation of the 
delicate characters of the minute fossils, There are other 
species present, including probably Kutorgina sp. and a 
small Acrothele, 
250 to 272 4b. Gritty flags. Cf. Shoot Rough Road Flags of the upper 
section.-—Thin grits or gritty flags with dark rottenstone 
bands. The strike is at first N. and S. with a high dip, 
conformable with the shales, but it works round gradually 
to about N.E. and 8.W. with a north- Mi ed of 
about 45° . ; : : 12 
272 to 273 ¢. Yellowish clayey material, possibly indicating a fault, but, 
equally possibly, some decomposed caleareous band ey 
273 to 294 d. Soft green micaceous sandstone (in many respects resembling 
the Lower Comley Sandstone), rather flaggy and with 
some rottenstone bands. The strike is parallel with that 
of the gritty Hage, b, and the ge north- asd at 30° to 
Z0P%", 10 
‘Total estimated thickness . Rss: 
294 to 354 The roadside was stripped of soil fora further distance of about 
20 yards, but no more rock was laid bare. 
