VOLVARIA. 



to Auricula, undoubtedly, meaning particularly that kind of 

 Auricula which is now called Tornatella, for it does not 

 resemble the land Auricula in any manner. 



Shell cylindrical, convolute, spire almost hidden, being 

 as if pushed into the superior extremity of the shell, where 

 it terminates in a small, blunt, scarcely salient point. Aper- 

 ture as long as the shell, narrow, rather wider and trun- 

 cated at the base, outer lip denticulate. Columella with 

 three or four oblique plaits at its base. 



Only known in a fossil state : it is found in the 

 Calcaire grossiere in the neighbourhood of Paris and 

 Bordeaux, also in the London Clay at Hordwell. Only 

 one species has been hitherto described, the V. bulloides, 

 I^am. a second is found near Paris, and that of the London 

 Clay is also distinct ; the following characters will serve 

 to distinguish these three species. 



Tig, I. V. bulloides; testa apice basique iruncatis ; striis transversis punciatis 

 olisoletiusculis; columella triplicatci, basi depressa, tab. nostr. f. 1. 

 V. bulloides. Lam. Ann. du Mus. V. p. 29. 



Found at Grignon, near Versailles, and in other places in the 

 environs of Paris. 



2. V. concinna, testa ap ice hasique truncatis ; striis transversis punctatis 

 confertis ; columella, biplicatd, basi elevatiusculd. Tab. nostr. f. 2. 



This is an hitherto undescribed species, found also in the neighbour- 

 hood of Paris ; we are not acquainted with its precise locality. 



2. Y. acutiuscula, testa apice acutiiisculo ; spira occulta; striis transversis, 

 punctatis, numerosis, punctis quadratis ; Columella, 4 plicata, plicis 

 irregularibus. Tab. nostr. f. 3. 



Found in the London Clay at Hordwell ; this is a variable species, 

 indeed out of five or six specimens communicated by Miss Beminster 

 and Miss Salisbury, there are not two precisely alike. Some speci- 

 mens have also been communicated to my Father, from the fine collec- 

 tion of the Viscount Fitzharris, which are also equally variable. 



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