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Show 1881.] 'LIGHTNING' A N D 'PORCUPINE' EXPEDITIONS. 703 4. AXINUS INCRASSATUS, Jeffreys. (Plate LXL fig. 7.) Axinus incrassatus, Jeffr. in Ann. & Mag. N. H. Dec. 1876, p. 492. 'Porcupine' Exp. 1869 : St. 3 (var. succisa), 16, 23a, 25, 61. 1870 : Atlantic, 2, 8, 9, 17«, 24, 27-30 (all these stations having also the same variety) ; Mediterranean, Adventure Bank. DistriBution. 'Valorous' Exp., 'Shearwater' Exp. (var. succisa), ' Challenger' Exp., off Culebra I., St. Thomas ; 40-1785 fms. Under the microscope, in certain lights, the hinge-plate appears to be minutely crenellated. 5. AXINUS CROULINENSIS, Jeffreys. Clausina croulinensis, Jeffr. in Ann. & Mag. N. H. vol. xx. p. 19; ser. 3, ii. p. 122, pi. v. f. 2, a-c. A. croulinensis, B. C. ii p. 250 ; v. p. 180, pi. xxxiii. f. 2. 'Lightning' Exp., St. 5, 7. ' Porcupine ' Exp. 1869 : St. 3, 4, 5, 6, 15, 19, 21, 23, 25, 30, 31, 36. 1870 : Atlantic, 3, 6, 9, 10, Vigo B., 13, 16, 17a, 24, off C. Sagres, 29, 30. Distribution. Loffoden Is. to Sicily, Madeira, Azores (' Challenger' Exp.); 30-1012 fms. Fossil. Pliocene : Gedgrave, and Italy. Post-tertiary : Calabria. A. pusillus of M . Sars. 6. AXINUS EUMYARIUS, M. Sars. Axinus eumyarius, M. Sars, Christianiafjordens Fauna, ii. 1870 (posthumous), p. 87, t. 12. f. 7-10. 'Porcupine' Exp. 1870: Atlantic, St. 3, 6, 9, 14, 17a, off C. Espichel, 29, 30 ; Mediterranean, 55. Distribution. 'Valorous' Exp., Loffoden Isles to Christiania, Bay of Biscay (' Travailleur' Exp.), and Sicily : 40-1100 fms. Fossil. Pliocene : Sicily. A. intermedius of Monterosato is apparently the younger state of a variety in which the muscular impressions are very slight and scarcely perceptible. 7. AXINUS FERRUGINOSUS, Forbes. Kellia ferruginosa, Forb. Brit. Assoc. Rep. 1844, p. 192. Axinus ferruginosus, B. C. ii. p. 251 ; v. p. 180, pi. xxxiii. f. 4. 'Porcupine" Exp. 1869: St. 3, 6, 13, 14, 17, 18,25,39,47, The Minch. 1870: Atlantic, 2, 3, 9, Vigo B., 13, 16, 17, 17a, 22, off C. Sagres, 25-34 ; Mediterranean, 45, Cartagena B., 55, Benzert Road, Adventure Bank, off Rinaldo's Chair. Distribution. Novaya Zemblia to the Morea and Adriatic, off the Azores (' Challenger' Exp.), Greenland, G. St. Lawrence, and New England: 20-1012 fms. Fossil. Miocene : Calabria. Pliocene and Post-tertiary : Norway, Great Britain, and Italy. The young is of an oblong shape, and is Kellia transversa of Forbes |