. The Quarterly journal of the Geological Society of London . Limncea-limestone, in two beds, buff colour. How-Ledge bed; extends from How Ledge to Coast-guard Station.— or carbonaceous band. Pale grey clays, rather mottled. Paludina at intervals. {Alternating greenish and greyer clays, rather sandy below,but more so above. Melania turritissima and other fos-sils in layers at intervals, Unio-hed. Laminated grey sandy clay, with TJnio Solandri, Mel. turritissima. Stiff clays, grey or brown in places, Sandy grey clay, more sandy above, with Paludina lenta, Mela- nopsis brevi

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. The Quarterly journal of the Geological Society of London . Limncea-limestone, in two beds, buff colour. How-Ledge bed; extends from How Ledge to Coast-guard Station.— or carbonaceous band. Pale grey clays, rather mottled. Paludina at intervals. {Alternating greenish and greyer clays, rather sandy below,but more so above. Melania turritissima and other fos-sils in layers at intervals, Unio-hed. Laminated grey sandy clay, with TJnio Solandri, Mel. turritissima. Stiff clays, grey or brown in places, Sandy grey clay, more sandy above, with Paludina lenta, Mela- nopsis brevis, Potamomya plana, TJnio Solandri. Pale whity-brown crumbling sand-rock, i c deverditawith strings of clay. / ^Tena aeperdita. Ferruginous sand-rock, variable in thickness, with Lim ncea, &e. Concretionary calcareous sand-rock,forms Warden Ledge. Limncea, Potamomya. White and whity-brown sands, Potamomya in layers at intervals. Stiff grey or sandy clay, with Potamomya crowded hand. Greenish clay. Potamomya gregaria. Buff-coloured li

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Keywords: ., bookcentury1800, bookdecade1840, bookidquarte, booksubjectgeology