GASTEROPODA. 81 



My cabinet contains but four specimens of this species, and those are not in very- 

 good condition ; the identification, therefore, must be considered doubtful. The 

 volutions project a httle at the lower part, which give them a conoidal form : Montague 

 says, " terminating in a fine point :" my specimens have the apex very obtuse, so have 

 all the species of this genus. 



5. ChEMNITZIA ELEGANTISSIMA. Mo/it. Tab. X, fig. 5, 5 «. 



Turbo elegantissimus. Mont. Test. Brit. p. 298, t. 10, fig. 2, 1803. 

 Melania campanella. Phil. En. Moll. Sic. vol. i, p. 156, t. ix, fig. 5, 1836. 

 Parthenia ELEGANTISSIMA. Lowe. Zool. Proc. 1840, p. 41. 

 Thrritella ELEGANTISSIMA. Flem. Brit. An. p. 303, 1828. 

 EuLiMA ELEGANTISSIMA. Risso. Hist. Nat. dc rEurop. Merid. 



C/i. Testa elon(jaid, turrit a, subulatd, nitidissimd ; anfractibus numerosis, convexhisculis, 

 lonr/ifudinaliter cosfatis ; costis obliqiiis, obtusis, confertissimis, interstitiis Itevibus ; suturis 

 distinciis ; lalno columellari verticaU. 



Shell elongate, turreted, tapering, smooth and glossy ; whorls very slightly convex, 

 longitudinally costated ; costfe numerous, oblique, and obtuse, with a distinct suture : 

 base of volution smooth ; aperture subquadrate. 



Jxis, \ of an inch. 



Locality. Cor. Crag, Sutton. Recent, British Seas. 



But one specimen of this shell has come into my possession; it appears to be identical 

 with the recent British species. The costse are not quite vertical, but have a little 

 inclination, so that the lower part inclines to the left of a perpendicular line, but they 

 do not curve. Montague states this species to be covered, in a recent state, with a 

 brown epidermis. It is said by Dr. Fleming (British Animals, p. 303) to be a deep- 

 water shell. 



6. Chemnitzia internodula. S. Wood, 1847. Tab. X, fig. 6, 6 a. 



Ch. Testa, sidjidatd, subcyHndricd, elongatd ; anfractibus numerosis planis, longitudi- 

 naliter costatis ; costis obliquis, obtusis, confertis, ad interstitias serie unicd granulorum. ; 

 aperturd stibquadratd ,• columella rectd uniplicatd ,- labro simplici, intus Iceviyato. 



Shell tapering or subcylindrical, smooth, and glossy, with twelve or fourteen flat 

 volutions, longitudinally costated ; costee slightly oblique ; interspaces with an elevated 

 nodule ; aperture subquadrate ; columella straight, with one fold ; outer lip simple, 

 smooth within. 



Axis, ^ of an inch. 



Locality. Cor. Crag, Sutton. 

 Red Crag, Sutton. 



Tliis species is not rare. In some characters it resembles Titrljo gracilis, Broc. 

 (Tab. VI, fig. 6), but that shell has the ribs more vertical, and has not the connecting 

 link between them. Our shell appears as if its ribs were bound together by something 

 passing through them, which gives a sort of knob between each rib, with a depression 



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