. Palaeontological memoirs and notes of H. Falconer, with a biographical sketch of the author . ovarieties of clay slate and quartz. The marl, which, betweenthe Jumna and Ganges shows itself in the southern limits, ishere exposed at a point north of ISTahun, cropping out on thenorthern slope of the mountain; and the fossil remains re-semble those found in the marl eastward of the Jumna, con-sisting of mammifers, crocodiles, tortoises, fishes, and Nahun to the plains there is a succession of sandstonesand clays, without any abundance of shingle (fig. 2). Thesandstone, which, in the
. Palaeontological memoirs and notes of H. Falconer, with a biographical sketch of the author . ovarieties of clay slate and quartz. The marl, which, betweenthe Jumna and Ganges shows itself in the southern limits, ishere exposed at a point north of ISTahun, cropping out on thenorthern slope of the mountain; and the fossil remains re-semble those found in the marl eastward of the Jumna, con-sisting of mammifers, crocodiles, tortoises, fishes, and Nahun to the plains there is a succession of sandstonesand clays, without any abundance of shingle (fig. 2). Thesandstone, which, in the vicinity of ISTahun, is much indu-rated, and used for building, becomes softer on approaching STRUCTURE OF SEWALIK HILLS. 37 the plains ; long before reacliing whicli, the whole formationconsists of an interminable succession of sandstones and clays,the latter being in the greatest abundance, of every varietyof colour, and dipping, on an average, 20° to the north. Thetopographical outline of these mountains shows a consider-able southing of upheavement, in the hills westward of the Fig. PLATEAU UPON WHICH THE VILLAGE OF DEONI IS SITUATED, ON THE MUEKUNDA EIYER. a. White Sandstone, b. Red and Brick-coloured Clay. c. Debris. Jumna, as will be observed in the map; ^ and the circum-stance of the fossil remains abounding in the sandstones andclays in this tract, and not in. that between the Jumna andthe Ganges, may probably be due to the non-upheavement ofthe line on its prolongation eastward of the Jumna. Thedrawings which accompany this paper (figs. 2, 3, and 4) showthat the action, in all probability, was exerted irregularly; Fig. 3.
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