566 British Association Reports. 
and diverse mineral composition are scattered in greater or less 
abundance over the whole of this tract, including granite (rarely) and 
old rocks. Here and there some large erratic blocks are met with, but 
generally the pebbles are of small size, consisting mostly of sandstone 
and quartz. Large and small flints but little abraded are nowhere 
absent from this drift, though more abundant at some spots than 
others, Fossiliferous rocks are very rare, but at one place pieces 
of hard Chalk (rounded and scratched with flints,) Greensand, Oolites, 
Lias, Magnesian and Mountain Limestones, and rounded boulders of 
older formations, were indiscriminately mingled together. Hence 
it was inferred that an iceberg had deposited a portion of its load 
there. The other erratics consist of the usual detritus supposed to 
have been derived by the same means, generally from the North, 
though much of it may have been transported from other directions. . 
The most novel and interesting fact was the discovery of Orthis 
rudex, Lingula Lesueuri, and a species of Modiolopsis, in the 
quartzose pebbles and sandstones figured and deseribed by Mr. 
Salter in the 20th vol. of the Geological Journal, and first found in 
the New Red Sandstone at Budleigh, Salterton, in Devonshire by 
Mr. Vicary. It was inferred that these numerous pebbles of a 
similar lithological character had the same origin as the Devonian 
ones, and that in all probability the Upper Red sands and marls 
capped the Keuper in Warwickshire ; and, the softer beds having been 
denuded, the heavier materials were scattered about as they are now 
found. ‘The few fossils hitherto detected in them by the author are, 
at all events, Lower Silurian species belonging to the ‘armorican’ 
sandstone and the quartzites of May Hill, Normandy. A list of 
some of the chief constituents of the drift was appended. Its pre- 
vailing contents are of a very mixed character, though the sand- 
stone and quartzose pebbles largely predominate, 
VI—On Two New Species oF Corats In THE Liss or WARWICKSHIRE. By the 
Rey. P. B. Bropim, M.A., F.G.S. 
Ae unusually large species of Montlivaltia, as yet undescribed, 
was referred to, from the Middle Lias at Shipston-on-Stour, 
where it is abundant, the largest specimens measuring five to six 
inches in length, and three in diameter across the calicular surface, 
varying in form and size, some being more elongated and others 
more cyathiform. Most of the specimens are unfortunately much 
weathered, the epitheca being rarely preserved, but better ones could 
be obtained by quarrying ; one example of the so-called Montlivaltia 
Haimeit was described, from the Lower Lias near Rugby. Though 
abundant in Nottinghamshire it is rare in Warwickshire, and is 
known also in Ireland, where it was first observed by Mr. Tate. 
It may perhaps be questioned whether this coral is correctly as- 
signed to the Belgian species. Of late years the number of British 
Liassic Corals has greatly increased, and when all are published and 
described, the list will certainly equal, if it does not exceed, that 
already known in the foreign Lias. 
