except that the base is more elongated posteriorly. Tube of tough secretion and mud,
150—200 mm. long and 3 or more mm. in diameter.
The general structure of the body-wall in the anterior region is indicated in Fig. 150
after the nerve-cords have approached more closely to each other. The large size of the
neural canals (nu.c.) containing the coagulable substance is noteworthy.
1555.
1606.
1755.
1758.
1762.
1766.
1767.
1776.
1780.
1789.
1803.
1806.
1807.
1808.
1811.
1812.
1815.
1817.
1818.
1820.
1823.
1826.
1828.
1830.
1834.
1835.
1839.
1841.
1843.
1843-
1844.
Penidllus marinus, Rondel. Hist. Poiss., pt. ii, p. Ill, and fig.
„ ,, Aldrovandus, p. 561, with fig.
Fueus maritimus, Ellis. Corail., p. 88, Tab. xxxiii.
Serpula penidllus, Linnæus. Syst. Nat., Edit, x, vol. i, p. 788.
Scolopendra major tubularia, Baster. Opusc. Subsec., ii, p. 77, Tab. ix, fig. 1.
Serpula penidllus and Nereis lutaria, Pallas. Mise. Zool., p. 116, Tab. x, fig. 1.
Sabella „ Linnæus. Syst. Nat., ed. xii, p. 1269 (excl. syn. Rond. Ellis & Syst. Nat., x).
Tubularia penidllus, O. F. Müller. Zool. Danica Prodr., p. 254 (No. 3063).
,, ,, Fabricius. Fauna Greenland, p. 438.
,, ~ ,, O. F. Müller. Zool. Danica, iii, p. 13, Tab. lxxxix, figs. 1 and 2.
Sabella ,, Montagu. Test. Brit., vol. ii, p. 541.
Ampharete ,, Turton’s Linn., p. 82.
- „ .. ventilabrum, idem. Ibid., p. 82.
Sabella - „ . Tnrton. Brit. Fauna, vol. i, p. 136.
',, penidllus, idem. Ibid., p. 202.
Amphitrite ventilabrum, Montagu. MS. vol. Linn. Soc., pi. iv, fig. 3 and pi. xrx.*
Sabellapavonina, Jameson. Wern. Mem., i, p. 558.
Amphitrite ventilabrum and penidllus, Gmelin. Syst. Nat., xiii, I, pt. vi, pp. 3110 and 3111.
Sabella penidllus, Pennant. Brit. Zool., vol. iv, p. 369.
Spirographis penidllus, Oken. Lehrbuch, Bd. ii, p. 380.
Amphitrite ventilabrum, Cuvier. Règ. An., t. ii, p. 519.
Sabella alveolata, idem. Ibid., p. 521.
,, penidllus, Stewart. Elements, i, p. 389.
Amphitrite penidllus, Lamarck. Anim. s. Vert., t. v, p. 356, Edit. 2, p. 610.
Sabella pavonina, Savigny. Syst. Annel., p. 79.
„ ventilabrum, idem. Ibid., p. 81.
Tubulana penidllus, Fleming. Edin. Philos. Journ., viii, p. 295.
Amphitrite „ Risso. Europ. Merid., t. iv, p. 410.
„ ,, Payraudeau. Annel. and Mollusc. Corse, p. 20.
,, and pavonina, De Blain ville. Diet. Sc. nat., t. lvii, p. 434.
,, penidllus, Bose. Vers., 2nd Edit., vol. i, p. 199.
,, ’ ventilabrum, Dalyell. Edin. New Philos. Journ., xvii, p. 415.
Sabella penidllus, Sars. Beskr. og Jagt., p. 47.
Amphitrite ventilabrum, Bruguière. Encyclop. Method., pi. lix, figs. 1—4.
Sabella ,, Delle Chiaje. Descriz., t. iii, p. 71.
,, penidllus, H. Rathke. Nova Acta Acad. C. L. C. Nat., Bd. xx, p. 225, Tab. xii, figs. 5—7.
-53. ? Amphitrite Mulleri, Chenu. Illust. Conch., 11® livr., pi. v, fig. 8.
, „ ventilabrum, idem. Ibid., IIe livr., pi. vi, fig. 5.
Sabella penidllus, (Ersted. Nat; Tidsk., ser. 2, i, p. 415.
1844
1845.
1846.
1848.
1850.
1851.
1853.
1856.
1857.
1859.
1861.
1865.
Sabella pavonia, idem. Region. Mar., p. 79.
,, penidllus, Johnston. Ann'. Nat. Hist., vol. xvi, p. 449.
„ pavonina, Grube. Arch. f. Naturges., xii, p. 57.
,, penidllus, idem. Ibid., p. 55, Taf. ii, fig. 2.
Amphitrite Ventilabrum, Dalyell. Anim. Scot;, ii, p. 280.
Sabella jlabellata, De Quatrefages. Ann. Sc. nat., 2e sér., t. xiv, p. 369, pi. x, fig. 3.
„ penidllus, Sars. Nyt Mag., B'd. vi, p. 202 (Bergen),
,, pavonina, M&itland. Fauna Belg;, p. 205.
Amphitrite ventilabrum, Dalyell. Powers Créât., ii, p. 212, pi. xxx, figs. 9 11.
Sabella pavonina, Stimpson. Grand Mahan, p. 30.
1867.
1869.
1870.
1873.
1874.
1875.
1879.
1881.
1882.
1883.
1884.
1885.
1886.
1888.
1889.
1890.
1891.
1893.
1894.
Sarsi, Krôyer. Daneke Vid.-selsk. Forh., p. 23.
,, ventilabrum, Koren. Nyt Mag., ix, p. 94.
„ sarsi, Danielssen. Reise, 1847, p. 56, and 1848, Kgl. Norke Vid.-selsk. Skrift., 4d® Bd.,.
p. 124.
,, penidllus, Sars. Forh an dl. Vid.-sèlsk. Christ., p. 121.
„ and S. pavonina, Johnston. Cat. Worms Brit. Mus., pp. 254 and 346.
■ „ pavonina, De Qüatrèîages. Annel., ii, p. 446.
„ lôhgibranchiata, idefii. Ibid., ii, p. 445.
,, penidllus, idevd. Ibid., t. ii, p. 446.
,, pavonina, Malmgren. Nord. Hafs-Annul., p. 398, pi. xxvii, fig. 82.
„ penidllus, Parfitt. Cat. Annel. Devon., p. 34.
,, pavonina, Malmgren. Annel. Polych., p. 112.
„ pavonina, Grube. Mitt. St. Vaast, etc., Abhandl. Schles. Gesellsch., 1868-69, p. 108.
„ „ idem. Arch. f. Naturges., p. 346.
„ penidllus, Mobius. Jahresb. Comm. wiss. deutsch. Kiel, p. 165.
,, pavonia, Kupffer. Ibid., p. 152.
,, pavonina, McIntosh. Ann. Nat. Hist., ser. 4, vol. xiv, p. 205.
.,, ,, Malm. Annel. Gôteb., p. 101.
„ alveolata, Panceri. Atti Soc. Ital. Sc. Nat., vol. xvii, p. 529.
„ pavonia, var., Ehlers. Zeitschr. f. wiss. Zool., Bd. xxv, pp. 29 and 76.
,, pavonina, McIntosh. Invert, and Fishes St. Andrews, p. 130.
,, pavonia, Tauber. Annul. Danica, p. 135.
„ pavonina, Leslie and Herdman. Prbc. Roy. Phys. Soc. Edim, Vol. vi, p. 67.
,, • . penidllus, Mace. Arch. Zool. éxper., 1® sér., x, p. 9.
„ pavonina, Levinsen. Vidensk. Meddels., Kjhbenh., p. 187.
,, jlabellata, Viallanes. Ann. Sc. nat., 6® sér., t. xx, art. 2, -p. 2, et stobseq.
„ variabilis, Langerhans. Zeitschr. f. wiss. Zool., Bd. xl, p. 269.
„ pavonina, Pruvot (nervous system). Arch. Zool. éxper., 2® sér., iii, p. 312, pi. xi, fig. 11,
pi. xv, figs. 12, i3, pi. xvi, figs. 1—4.
„ penidllus, Harvey Gibson. Proc. Lit. and Philos. Soc. Liverp., vol. xl, p. 159.
,, pavonina, Cunningham and Ramage. Trans. Roy. Soc. Edin., xxxiii, p. 669, pi. xliv,
fig. 31.
„ penidllus (nehral canals), Cunningham. Quart. Journ. Mic. Sc., vol. 28, p. 270.
,, pavonia, Grieg. Bergens Mus. Aarb., p. 8.
„ pavonina, Malaquin. Annél. Boulon., p. 48.
„ pavonia, Hornell. Trans. Biol. Soc. Liverp., vol. v, p. 261.
„ pavonina, Lo Bianco. Atti Accad. Sc. Napoli, vol. v, p. 66.
„ ,, De St. Joseph. Ann. Sc. nat., 7® sér., xvii, p. 267.
„ pavonia, Bidenkap. Christ. Vid.-selsk. Forhandl., p. 135.