VERMETUS (BURTTNELLA) BOGNORIENSIS. Mil 



Dimensions. — Diameter of tube, 5 — 6 mm. 



Distribution. — Recent : Mediterranean, Adriatic. 



Fossil : Waltonian Crag : Little Oakley (fragments). New- 

 bournian : Waldringfield (Bell), Foxhall (Jeffreys). Wexford. 



Miocene : Touraine. 



Lower Pliocene : Biot, Savona, Ceriale, Siena. 



Upper Pliocene : Asti. 



Pleistocene : Messina, Monte Pellegrino, Taranto, Catania. 



Remarks. — This Mediterranean shell has been reported by Jeffreys and Mr. A. 

 Bell from the Newbournian Crag ; I have several specimens from Oakley and 

 another from Wexford, which, though fragmentary, are not too much so for iden- 

 tification. The more nearly perfect one here figured I obtained many years ago 

 from the Sicilian Pleistocene of Ficarazzi, near Palermo. V. triqueter is a distinct 

 form, easily recognised. The Oakley fossils here figured, though worn, show the 

 central ridge, and to some extent the characteristic transverse plications of the 

 species in question. Dr. Scalia records this species from the sub-Etnaen deposits 

 of Catania. 



Sub-genus BURTINELLA, Morch, 1861. 

 Vermetus (Burtinella) bognoriensis (Mantell). Plate XLIV, fig. 23. 



1822-50. Vermicularis Bognoriensis, Mantell, Geol. Sussex, pp. 272, 307 ; Atlas, p. 135, pi. lviii, 



figs. 8, 9, 1850. 

 1829. Vermetus Bognoriensis, J. Sowerby, Min. Conch., vol. vi, p. 194, pi. dxcvi, figs. 1, 2, 3. 

 1833. Serpula, sp., Parkinson, Organ. Remains, vol. iii, p. 92, pi. vii, fig. 8. 



1848. Vermetus Bognoriensis, S. V. Wood, Mon. Crag Moll., pt. i, p. 114, pi. xii, fig. 9. 



1849. Vermetus Bognoriensis, Brown, 111. Foss. Conch. Gt. Brit., p. 84, pi. xliii, fig. I. 1 

 1854. Vermicularia Bognoriensis, Morris, Catal. Brit. Foss., p. 94. 



1878. Vermicularia Bognoriensis, Dixon, Geol. Sussex, ed. 2, p. 436, pi. xiv, fig. 3 a. 



1888. Vermicularia bognoriensis, Prestwich, Geology, vol. ii, p. 352, fig. 177 6. 



1912. Vermetus {Burtinella) bognoriensis, Cossmann, Ess. Pak'oconch. compar., vol. ix, p. 141. 



Specific Characters. — Shell small, tubular, spiral portion subdiscoidal, concave 

 and furrowed, with a rounded margin, sometimes thickened. 



Dimensions. — H. 4 — 5 mm. Diam. of coil, 15 — 20 mm. 



Distribution. — Not known living. 



Fossil; Boxstone fauna (A. Bell). Waltonian Crag : Walton-on- 

 Naze, Beaumont, Little Oakley. Newbournian : Sutton. 



Eocene : London Clay — Bognor, Highgate, Isle of Sheppey. Belgium. 



Remarks. — Imperfect specimens of this shell are not infrequently found in the 

 Crag. They are of course derivative from some earlier deposit. 



1 Brown's figure (op. cit.) shows the prolonged tube of the perfect shell, as does that of Prestwich. 



