﻿376 MR. LINSDALL RICHARDSON ON THE [May 1905, 



the planorbis-zone must be present in the hill ; and, as a matter 

 of fact, Mr. Horace B. Woodward has recorded the zonal ammonite. 

 So far as could be seen, however, the beds near the barn (where 

 these measurements were taken) were of ipre-<planorbis date — a 

 deposit better known as the Ostrea-Be&s. Near Llanwern Station 

 these beds, together with the planorbis-limestones, are quarried 

 for the supply of lime-kilns. 



The topmost bed of the Rhsetic is an interesting stratum. Its 

 upper surface is conspicuously waterworn, while in the super- 

 incumbent shales are often found small pebbles derived from this 

 bed ; this is evidently, therefore, the horizon at which the line of 

 demarcation between the Rheetic and the Lower Lias should be 

 drawn. The Est7ieria-Be& was located, but no remains of Lycopodites 

 lanceolatus were observed. However, it may be advisable to state 

 that they do occur in association with the Estherice at certain 

 localities. I have found this to be the case at Garden Cliff and 

 Redland (Bristol). In a hand-specimen of the bed from the latter 

 locality (and now in my collection) numbers of the phyllopod occur 

 intermingled with the plant-remains. A cast of Schizodus Ewaldi 

 was found in the Esiheria-'BeiL : a somewhat high horizon for this 

 lamellibranch. 



The various beds of the Lower Rhsetic (contorta-age) much 

 resemble their equivalents at Aust Cliff. More limestone-bands 

 occur in the deposit of this date in the Newport district, than in 

 that to the north of Purton Passage. Although, from a study of 

 this section alone, they seemed to be intermittent, similar lime- 

 stones are found occupying the same stratigraphical horizons 

 throughout the district; but, of course, in some places they are 

 more developed than in others. The bed numbered 13 is the most 

 persistent in the Goldcliff section, and represents the Pleurophorus- 

 Bed of Aust Cliff. Palseontologically, the most interesting fact is 

 the abundance of Cardium cloacinum, Quenstedt. This fossil 

 escaped identification for a considerable time, but it was obtained 

 many years ago by that successful and ardent collector, Charles 

 Moore, from the Rhsetic exposed in the railway- cutting at Wills- 

 bridge, near Bath, and was recorded in his section as Cardita. 1 

 The specimens of Protocardium Pliilipjpianum in Bed 6 are very 

 well-preserved, for fossils from the shales. 



The deposit which has caused the Goldcliff section to become so 

 well-known is the Bone-Bed in the Green Marls. The explanation 

 suggested by Lee, and accepted by Mr. Strahan, is that 



' the bones occur in what seem to have been sinuous and irregular runlets 

 excavated in a mud-flat. . . . The runlets became filled in with coarse quartz- 

 sand mixed with many scales and teeth of fish[es], and by the hardening of their 

 contents now resist denudation better than the marl in which they were 

 enclosed. They are well-shown in the foreshore at the foot of the wall, about 



1 Quart. Journ. Geo!. Soc. vol. xxiii (1867) p. 498. 



