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Show 1 9 0 4 .] SPONGES OF THE GENUS LEUCOSOLENIA. 361 Ascortis seu Ascandra fabricii Haeckel, 1872, I.e. p. 71, pi. 11. fig. 3, pi. 12. figg. 3 a- 3 i. Ascandra complicata Haeckel, 1872, 1. c. p. 93, pi. 15. figg. 1 a- Ascandra pinus Haeckel, 1872, I.e. p. 105, pi. 16. figg. 3 a -3 i and pi. 19. ? Ascandra contorta Barrois, 1876, Embryol. <1. q. Eponges d. 1. Manche, Ann. Sci. Nat. (6) iii. p. 36. Ascandra complicata Bowerbank and Norman, 1882, Mon. Brit. Spong. iv. p. 226. Ascandra complicata Fristedt, 1887, ‘ Vega' Exped., Vetenskapl. lakttagelser, iv. p. 406. Leucosolenia pinus Topsent, 1891, Arch. Zool. Exp. (2) ix. p. 525. Leucosolenia complicata Levinsen, 1893, Yid. Ud. Kanonbaaden 4 Hauchs ' Togter, v. p. 424. Leucosolenia complicata Weltner, 1894, Wissensch. Meeresun-tersuch. n. F. i. p. 325. Leucosolenia complicata Minchin, 1896, Ann. Mag. Nat. Hist. (6) xviii. p. 359. Leucosolenia complicata Bidder, 1898, P. R. Soc. lxiv. p. 69. Ascandra complicata Breitfuss, 1898, Arch. Nat urges. Ixiii. i. p. 213. Ascandra contorta Breitfuss, 1898, I.e. p. 214. Ascandra fabricii Breitfuss, 1898, I.e. p. 214. Ascandra fabricii Breitfuss, 1898, Mem. Acad. St. Petersbourg, (8) vi. p. 7. Ascandra contorta Breitfuss, 1898, 1. c. p. 15, pi. i. fig. 1. Ascandra fabricii Breitfuss, 1898, Arch. Naturges. lxiv. i. p. 285. Ascandra contorta Breitfuss, 1898, 1. c. p. 285. Ascandra complicata Breitfuss, 1898, I.e. p. 285. Ascandra fabricii Breitfuss, 1898, Ann. Mus. Zool. Acad. St. Petersbourg, p. 17. Ascandra complicata Breitfuss, 1898, 1. c. p. 27. Ascandra contorta Breitfuss, 1898, 1. c. p. 27. Leucosolenia complicata Minchin, 1900, in Lankester's Treatise on Zoology, ii. Sponges, p. 5, fig. 5. Ascandra complicata Arnesen, 1901, Bergens Mus. Aarborg, 1900, no. 5, p. 13. Ascandra armata Arnesen, 1901, 1. c. p. 13. Leucosolenia complicata Rousseau, 1903, Mem. Soc. Malac. Belgique, xxxvii. p. 7, fig. 3. Leucosolenia fabricii Rousseau, 1903, I.e. p. 6, fig. 2. Leucosolenia complicata Allen, 1904, J. Mar. Biol. Assoc, n. s. vii. p. 185. I commence with this species as being the most easily identified of the three British Leucosolenias, although, curiously enough, it is more often found incorrectly determined than either of the others. While the systematists previous to Haeckel for the most part considered it a synonym of botryoides, recent authors have |
