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Show 50 DR. GWYN JEFFREYS ON THE MOLLUSCA OF THE [Jan. 20, C. cancellata, De Blainville, Faune Franc, p. 142, pi. 4 B. f. 1 Hid. Mol. mar. de Esp. lam. ii. f. 3, 4 (opt.). 'Porcupine' Exp. 1870: Atl. St. C. Sagres (fr.); Med. 50, Benzert Road, Rasel Amoush. Distribution. G. Gascony (De Folin), Atlantic coasts of Spain and Western Africa, Mediterranean and Adriatic ; 4-100 fms. Fossil. Miocene: Vienna and Bordeaux Basins, Northern and Central Italy. Pliocene : Denmark (Morch), Biot, Italy, Algeria, and O. Verd I. (Rochebrune). C. similis of Sowerby is scarcely a variety. The apex of the shell is trochiform and different from that of other species ; it resembles in shape and sculpture the apex of Columbella haliceeti. Family XXVII. APORRHAID^E. 1. APORRHAIS PES-PELECANI, Linne. Strombus pes-pclecani, L. S. N. p. 1207- A. pes-pelecani, B. C. iv. p. 250, pi. iv. f. 3; v. p. 216, pi. lxxx. f. 1. 'Lightning' Exp. St. 5. 'Porcupine' Exp. 1869: 2, 13-15, 18, 35, the Minch, off Lerwick. 1870: Atl. 2, 10, 11, C. Sagres ; Med. C. de Gata, 55, G. Bona, Benzert Road, G. Tunis. Specimens from Cape Sagres and the last three stations belong to a variety which I would name carinata. They are keeled in the middle of each whorl, the ribs are nodose, and the spire tapers to a fine point. This variety may be meridionalis of Basterot. Distribution. Throughout the North Atlantic from Iceland and Finmark to the Mediterranean, Adriatic, and iEgean ; 6-100 fms. Fossil. Every Miocene, Pliocene, and Post-tertiary or Quaternary bed in Europe, as well as the last in Rhodes and Cos, from the sea-level to 1360 feet above it. . Var. carinata, Coralline Crag (S. Wood, as probably A. serresianus). 2. APORRHAIS SERRESIANUS, Michaud. Rostellaria serresiana, Mich, in Bull. Soc. Linn. Bord. 1828, p. 120, f. 3, 4. Chenopus serresianus, Philippi, Moll. Sic. ii. p. 185, t. xxvii. f. 8 Var. A. macandrece, B. C. iv. p. 253 ; v. p. 216, pi. lxxx. f. 2. ' Porcupine' Exp. 1869 : St. 1, 3, 5, 6, 10, 17, 18, 23a, 45a, 45ft, 64, 65, 68, 70, Little Minch, off Lerwick. 1870: Atl. 3, 3a, 6, 8-14, C. Sagres, 26-28a ; Med. 50a, off Jijeli and Rinaldo's Chair, Adventure Bank. Variable as to the number and position of the spikes. One monstrous specimen has a spur which projects from behind the lower part of the pillar, besides a double spike at the base. Another specimen is somewhat scalariform. The variety macandrea is smaller and more slender; it occurs with the typical form in the Mediterranean. |