188 PEOCEEDINGS OF THE GEOLOGICAL SOCIETY. [Feb. 10, Pseudodiadema ornatum, Goldf. .... Salenia Wiltshirei, Seeley Holaster suborMcularis, Ag Serpula antiquata, Sow cristata, Duj. depressa, Goldf. rustica, Sow Vermicularia umbonata^ Mant PoUicipes unguis, J. Sow Terebratula biplicata, J?roc capillata, D^Arch semiglobosa, Sow Terebratulina gracilis, Schl. Kingena lima, Defr Rbyncbonella sulcata. Park Avicula grypbaeoides, J. Sow Exogyra conica, Sow baliotoidea, Sow laciniata, Nils Kauliniana, Z)' Orb Inoceramus Crispii, Mant sulcatus, Sow subsulcatus, mihi{Pictet etRoux, Gres Verts, pi. 42. fig. d) tenuis, Matit Lima globosa, J. Sow Iteriana, Pictet et Poux ...... Ostrea Normaniana, Z)' Orb vesicularis, Latnk Pecten Beaveri, Sotv Plicatula pectinoides, Sow Spondylus striatus, Sow Ceritbium mosense, Buv Pleurotomaria, cast of Nautilus albensis, D'Orb Boucbardianus, UOrb Ammonites auritus, Sow Beudanti, Brong lautus, Sow rostratus, Sow Belemnites attenuatus, Sow minimus. List ultimus, jD' Orb Iscbiodon Otodus appendiculatus, Ag Plesiosaurus latispinus, Owen (?) . . Highest Middle Lowest Fre- Band, A. Band, B. Band, C. quency.
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XJnderlying the Eed Chalk is a coarse sandy deposit (X, Y of the Section) termed in the district '^ Carstone," of a yellow tint, loose in composition and full of small pebbles, wbich are subangular and polished. The upper part (X), for about 8 feet, consists of much sand, and is succeeded by a dark-brown stratum (Y), in which, at