308° =©British Association for the Advancement of Science. 
sey, ata considerable depth from. the surface, by two intelligent 
rsons, Forrester and Horne, connected with the quarry, and an 
account of the circumstances was drawn up on the spot by Messrs. 
Cunningham and Dwyer. The specimens found were casts of 
the impression of the foot, and nothing could be more perfect and 
characteristic. There are two sets of footsteps; one set being 
those of an animal of. which traces have been before observed, 
and which has been called Chetrotherium, from its hand-like 
foot: the other, those of smaller animals, which seem. to have 
been land tortoises, similar to those which have been long known 
in the Dumfries quarries, and which are fully described in Dr. 
B.’s Bridgewater Treatise... A space of between 20 and 30 feet 
‘ horizontal, is exposed in the quarry, on which these footsteps are 
distinctly seen, and where the animals do not. appear to have 
been walking in the ordinary way, but to have been performing 
gambols. ‘He stated also that from the appearance of the surface 
of the sandstone, covered with minute spherical elevations quite 
different from any ripple mark, it was manifest that a shower of 
rain had fallen, and its traces Hind. been <Presernagy ‘upon this pri- 
meval surface! | 
Rev. Gs Young presented a a paper on the antiquity of organic 
remains, to which Prof. Sedgwick replied. . 
Dr. Buckland read a paper on the. application of small coal to 
economical purposes. Mr. Oram had succeeded in agglutinating 
the small particles of coal into a firm mass. by a process at once 
simple and cheap. ‘There would even be economy in using this 
coal for many purposes, as it occupied one third less space; whee 
packed, than coal in its ordinary state. 
A letter was read from Mr: Fox, of Cornwall, stating the im- 
portant fact, asa result of some new and most careful experi- 
ments, that he had at length obtained, by voltaic action upon 
mineral substances, a@ mineral vein, namely, carbonate of zine, 
in its natural position between two layers of. earthy matter. 
Mr. D. Milne read a paper on the Berwick and North Durhan’ 
Coal-field. It i isa basin, 15 miles in diameter, and has 15 seams 
of coal, of the average shiedicnope of 2-or3 feet. - 
Major Jervis gave an account of the progress and present state 
of the trigonometrical survey in British India. Capt’ Wasbing- 
ton then gave an account of the nereronty caer of Austr, 
Ragland, cars Saxony, Diesoan, 
