255 



Wollersdorf ) ; and this rock is identified, by the author, with the 

 coral limestone of Lower Styria, formerly described by Prof. Sedg- 

 wick, and himself. 



It is stated that freshwater limestone, with Lymnaea, Helix, and 

 Planorbis, is seen in patches (Eich Kogel, &c), but that where this 

 formation is absent, the Leitha-Kalk is usually succeeded by thick 

 accumulations of gravel and sand, with concretions, and bones of 

 Tapir, Mastodon, Anthracotherium, &c. ; these gravel beds being of 

 the same age with the superior deposits of Lower Styria, through 

 which it has been asserted in a former memoir, that basaltic and 

 trachytic eruptions have penetrated*. 



Lastly. The superficial covering of the low countries of Austria, 

 called Loss, is mentioned as being of great thickness and extent, 

 containing bones of extinct species of elephants, mixed up with ter- 

 restrial shells of existing species, which character, combined with its 

 loamy structure, is considered to indicate a tranquil period of deposit. 

 Recapitulating the principal points illustrated in this memoir, the 

 author recurs to that essential part of it, in which, following up the 

 idea of Prof. Sedgwick and himself, he endeavours to prove the 

 large development and persistence in the eastern Alps of certain 

 shelly deposits, of an age intermediate between the chalk and the 

 tertiary formations j and he concludes by expressing an opinion, that 

 with more extended examination, geologists may arrive at the con- 

 clusion, that the disturbing forces which in the West of Europe 

 have destroyed the formations succeeding to the chalk, were local 

 phenomena, which operated through a limited portion only of the 

 earth's surface. 



Feb. 16. — John Evans, Esq. of Hertford-street, May Fair; John 

 McDonnell, Esq. of Upper Gloucester-place; James C. Somerville, 

 Jun. M.D. of Princes-street j and John Badams, Esq. of Birming- 

 ham, were elected Fellows of this Society. 



A letter was first read from Peter Cunningham, Esq. dated New- 

 castle on Hunter's River, New South Wales, Oct. 16, 1829; and 

 communicated by John Barrow, Esq. F.R.S. &c. 



This letter is written with a view to give some insight into the 

 former state of the interior of New South Wales, and the writer 

 accompanies it with a few organic remains ; amongst others, 

 with the second cervical vertebra of a large animal, found on the 

 surface. He states, that a great ridge separates the eastern and 

 western waters, running from N.N.E. to S.S.W. and that in Liver- 

 pool Plains the oldest rock appeared to be a hard, blue granite 

 with red sandstone on its flanks. Granite has also been seen at the 

 Wallanbai rivulet, at Carrington, and at Waybong, — distances of 

 35, 55, and 100 miles from the sea. In the Liverpool range, 

 it is said, there is a slaty, blue rock resembling grauwacke, and 

 that this is succeeded, about 26 miles up the Patterson, by a 

 coarse, red sandstone, and that again by a blue limestone. Another 

 limestone is described as having an oolitic structure with corals on its 



* Proceedings of Geological Society, p. 213. 



