﻿532 DR. WHEELTON HIND ON THE PAL2EONTOLOGY [Aug. 1905, 



Locality. — North Staffordshire Coalfield: below the Gin-Mine 

 Coal, Nettlebank. 



Observations. — I have referred this shell to a new species^ 

 because it differs widely from Ambocoelia Urei, being less transverse; 

 and the median groove is much broader and less linear. A. Urei is 

 known from the Limestone Series of Carluke and a specimen has 

 been figured from the marine band beneath the Farewell Rock at, 

 Glan Hhymney, in the South- Wales Coalfield. 



Gasteropoda. 



Eaphistoma radians, de Kon. 1881. (PI. XXXV, figs. 8 & 8 a.) 



Euomphalus radians, L. G. de Koninck, ' Descr. des Anim. Foss. Terr. Carb.. 



de Belg.' 1843, p. 442 & pi. xxxiii bis, figs. 5 a-bc. 

 Eaphistoma radians, L. G-. de Koninck, Ann. Mus. Roy. d'Hist. Nat. de 



Belg. vol. vi (1881) p. 135 & pi. xii, figs. 12-14. 



This shell has not been previously described from British rocks. 

 It does not attain to any great size, having a transverse diameter 

 in the adult of 10 millimetres. The whorls number 6 or 7, and are 

 much depressed and flattened. There is a large shallow umbilicus. 

 The margin of the whorls is angular, and immediately below it is a. 

 very fine, shallow, spiral groove. The whorls are smooth above, but 

 below (near the suture) there is a band of regular linear tubercles. 

 The aperture of the shell is obliquely ovate, hi Belgium, according to 

 L. G. de Koninck, this species is not rare in the Calcareous Shale 

 of Tournai ; that is to say, it occurs in the lowest stage of the 

 Carboniferous Limestone of that country. The same author also 

 describes a somewhat bigger shell from the Visean, under the name 

 of Raphistoma junior, separating the two on account of the greater 

 dimensions of the latter and the larger spiral angle. But the latter 

 condition is a necessary corollary of larger growth, and I see no 

 reason for the establishment of two species. The Rev. G. F. Whid- 

 borne l notes the occurrence of M. junior in the Pilton Beds ; but,, 

 judging from the figures given by him, the ornament is more linear 

 and not tuberculate, and I doubt whether his shell ought to be 

 referred to L. G. de Koninck's species. 



Localities. — The marine band below the Gin-Mine Coal, North- 

 Staffordshire Coalfield ; 500 feet below the Third Grit, Congleton 

 Edge (Cheshire). 



Turbonellina foemosa, de Kon., 1881. (PL XXXV, fig. 9.) 



Turbonellina formosa, L. G. de Koninck, Ann. Mus. Eoy. d'Hist. Nat. de- 

 Belg. vol. vi (1881) p. 79 & pi. ix, figs. 59-61. 



Like the foregoing species, this shell has never been previously 

 found in British rocks. If I am correct in referring it to 

 de Koninck's species, it is rather larger than the unique example 

 on which that species was established, which came from the Visean 



1 ' Devonian Fauna of the South of England ' (Monogr. Pal. Soc.) vol. iii, 

 pt. i (1896) p. 54. 



