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 



