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SUPPLEMENT TO THE CRAG MOLLUSCA. 



Chemnitzia Jeffreysii ? Koch and Wiechmann. Addendum Plate, fig. 14. 



Turbonilla Jeffreysii, Koch Wiech. Moll. Faun. Sternb. Gest., p. 103, t. 3, 



fig. 9 a, b. 



Locality. Cor. Crag, Sutton. 



I have lately obtained from the Coralline Crag of Sutton an imperfect specimen, 

 which, with the guide of the figures only, I have doubtfully referred to C. Jeffreysii of 

 the German authors. It appears to differ from Ch. elegantissima in having the costse 

 more inclined, and without the bend or flexure present in that species, and from 

 elegantior in the shape of the whorls. The figure in ' Crag Moll.,' vol. i, Tab. X, 

 fig. 5, is not a good representation of the Crag shell elegantior, the costae being straight, 

 and not wavy, as there represented. 



Eulima stenostoma? Supplement, Tab. IV, fig. 25. 



Since the engraving of this was made, my solitary specimen has unfortunately been 

 much injured, and I am not now certain that it has been correctly referred. 



Odostomia albella, Loven. Addendum Plate, fig. 15. 



Turbonilla albella, Loven. Ind. Moll. Scand., p. 19, 1846. 

 Odostomia — Jeffreys. Brit. Conch., vol. iv, p. 121, pi. 73, fig. 1. 



Locality. Cor. Crag, Sutton. 



Mr. Robert Bell has sent to me for representation a specimen from the Coralline Crag, 

 Sutton, with the name of Odostomia albella, and this, I think, is correctly referred. I have 

 myself recently found a rather less perfect specimen from the same locality. Our shell 

 has a very obtuse apex, smooth and glossy, and probably if we had several specimens 

 quite perfect, one or other might show the sinistral embryonic nucleus spoken of by Mr. 

 Jeffreys at the above reference. Our shell has a large fold upon the inner side of the 

 aperture, and there is a distinct and somewhat large umbilicus. The peretreme is sharp 

 and simple, but I am unable to detect any spiral striae. Odost. rissoides, var. albella, 

 Forbes and Hani., PI. 96, fig. 5, is probably the same shell. 



Litiopa of « Crag. Moll.,' vol. i, p. 88, Tab. IX, fig. 1, much resembles this species in 

 its obtuse apex, but there is a truncation at the base of that shell which this has not. I 

 am sorry to say the shell I called Litiopa is so scarce that I have not been able to find a 

 specimen for many years. 



