OCINEBRA (OCINEBRINA) ACICULATA. 347 



Wood (op. cit.) under the present specific name. I have several specimens from 

 Wexford, more or less imperfect, which appear to be the same, as may probably be 

 my PL XII, fig. 28, obtained at Oakley. 



Sub-genus OCINEBRINA, Jousseaume, 1879. 

 Ocinebra (Ocinebrina) aciculata (Lamarck). Plate XXXV, figs. 18, 19. 



1822-43. Murex acicidatus, Lamarck, Anim. sans Vert., vol. vii, p. 176, 1822 ; ed. Desh., vol. ix, 



p. 600, 1843. 

 1836. Murex coraUinus, Scacchi, Cat. Conch. Regn. Neap., p. 11, fig. 15. 

 1836-44. Fusus lavatus, Philippi, Enuui. Moll. Sic, vol. i, p. 203, 1836; Fusus coraUinus, vol. ii, 



p. 178, pi. xxv, fig. 29, 1844. 

 1853. Murex coraUinus, Forbes and Hanley, Brit. Moll., vol. iii, p. 374, pi. cii, figs. 5, 6. 

 1867-71. Murex aciculatus, Jeffreys, Brit,. Conch., vol. iv, p. 310, 1867 ; vol. v, p. 218. pi. Ixxxiv, fig. 2, 



1869 ; in Prestwich, Quart. Joum. Geol. Soc, vol. xxvii, p. 144, 1871. 

 1870. Murex coraUinus, A. Bell, Jouru. de Conch., vol. xviii, p. 344, no. 163. 

 1872. Murex aciculatus, A. and R. Bell, Proc. G-eol. Assoc, vol. ii, p. 203. 

 1872. Murex coraUinus, S. V. Wood, Mon. Crag Moll., 1st Suppl., pt. i, p. 30, pi. ii, fig. 12. 

 1873-5. Murex aciculata, Seguenza, Boll. E. Com. Geol. Ital., vol. iv, p. 346, no. 185, 1873; vol. vi, 



p. 340, no. 365, 1875. 

 1882-98. Murex (Corallinia) aciculatus, Bucquoy, Dautzenberg et Dollfus, Moll. mar. Rouss., vol. i, 



p. 24, pi. ii, fig. 4, 1882 ; M. (Ocinebrina) aciculatus, vol. ii, p. 765, 1898. 

 1887. Murex aciculatus, Kobelt, Icon, schalentrag. europ. Mceresconch., vol. i, p. 20, pi. vi, figs. 2, 3. 

 1890. Ocinebra aciculata, Cams, Prod. Faun. Medit., vol. ii, p. 386. 

 1903. Ocinebra (Ocinebrina) aciculata, Cossmann, Ess. Paleoconch. compar., vol. v, p. 38. 



Specific Characters. — Shell small, solid, oblong ; whorls 7 — 8, convex, compressed 

 upwards, the last two-thirds the total length ; ornamented by strong, rounded, 

 close-set, longitudinal ribs, occasionally varicose, and by rough wavy spiral ridges 

 which cross the ribs ; spire produced, regularly diminishing upwards to a fine 

 rounded apex ; suture wide, not deep ; mouth oval, slightly expanded ; outer lip 

 thin, semicircular, scalloped within by the spiral ridges ; inner lip folded on the 

 pillar, detached at its lower edge; pillar broad and glossy; canal short, partly 

 open, narrow. 



Dimensions. — L. 9 — 12 mm. B. 5 — 6 mm. 



Distribution. — Recent : Channel Islands. North Atlantic from Brittany to 

 Madeira, the Canary Islands and the Azores. Mediterranean, Adriatic. 



Fossil : Coralline Crag : Gedgrave. Waltonian : Walton-on-Naze, 

 Beaumont, Little Oakley. 



Pliocene : Biot, Legoli (Italy). 



Pleistocene : Mte. Pellegrino, Reggio, San Giovanni, Valle Biaia. 



Remarks. — This southern species has been known hitherto from the Coralline 

 Crag only. I have found, however, a dozen specimens at Beaumont and Oakley, 



