OCR Text |
Show 1881.] 'LIGHTNING' A N D 'PORCUPINE' EXPEDITIONS. 723 3. PSAMMOBIA TELLINELLA, Lamarck. P. tellinella, Lam. An. s. vert. v. p. 515 : B. C. ii. p. 392, pi. vii. f. 4 ; v. p. 187, pi. xiii. f. I. 'Porcupine' Exp. 1870 : Atl. St. Vigo B. Distribution. Loffoden Is. and Faroe Is. to Sicily; 0-85 fms. Fossil. Upper Tertiaries: Coralline Crag, Madeira? Post-tertiary : Uddevalla. 4. PSAMMOBIA VESPERTINA, Chemnitz. Lux vespertina, Chemn. Conch.-Cab. vi. p. 72, t. 7. f. 59, 60, a, b. Psammobia vespertina, B. C. ii. p. 398 ; v. p. 187, pi. xiii. f. 4. 'Porcupine' Exp. 1869 : St. 7 (fragment). Distribution. Bergen to theiEgean, Adriatic, Mogador, Senegal?, Canaries ; 0-40 fms. Fossil. Upper Tertiaries: Coralline Crag, Italy. Post-tertiary : Belfast and Killiney, Calabria. I am now inclined to think that Dillwyn may have been right in considering this species the Tellina albida of Linne. The hinge is certainly " absque dentibus marginalibus;" and the description agrees also as to colour, which is very variable. P. intermedia of Deshayes (Proc. Zool. Soc. 1854, p. 319), =P. costata, Hanley, apud McAndrew, is certainly a monstrous variety of P. vespertina, having stronger and more oblique concentric ridges. The types, from Algiers and Faro in Portugal, are now before me. 1. DONAX VITTATUS, Da Costa. Cuneus vittatus, D a Costa, Brit. Conch, p. 202, pi. xiv. f. 3. Donax vittatus, B. C. ii. p. 402, pi. vii. f. 5; v. p. 188, pi. xiii. f. 5. ' Porcupine ' Exp. 1870 : Atl. St. C. Sagres (valve). Distribution. Norway to Egypt, Adriatic, Mogador ; 0-25 fms. Fossil. Upper Tertiaries and Post-tertiary: British Isles, S.W. France, Italy; 0-1360 ft. For synonymy see B. C. ii. pp. 405, 406. 2. DONAX VENUSTUS, Poli. D. venusta, Poli, Test. utr. Sic. ii. p. 80, t. 19. f. 23, 24. 'Porcupine' Exp. 1870 : Med. St. Algesiras B., 40, 41, 50 51. Distribution. Mediterranean from Gibraltar to the iEgean and Black Sea, Adriatic, Madeira; 0-8 fms. Fossil. Upper Tertiaries: S. France, Italy. Post-tertiary: Calabria. Differs from D. vittatus in being shorter or narrower, and in having the posterior side obliquely furrowed or striated. 3. DONAX TRUNCULUS, Linne. D. trunculus, L. S. N. p. 1127 (partly): B. C. ii. p. 407; v. p. 188, pi. xiii. f. 6. 'Porcupine' Exp. 1870 : Med. St. 51, Benzert Road (young). |