. Bulletin - United States National Museum. Science. ASCIDIANS OF THE PHILIPPINES VAN NAME. 97 PANDOCIA PEDATA (Herdman), 1881. Plate 23, figs. 1-3. 1851. Polycarpa pcdata Herdman, Proc. Roy. Soc. Edinburgh, vol. 11, p. 71. 1852. Polycarpa pcdata Herdman, Rep. Voy. Challenger, vol. G, Tunicata, p. 180, pi. 24, figs. 1 and 2. 1S85. Polycarpa pcdata Tratjstedt, Vidensk. Meddel. Nat. For. Kjobenbavn, ann. 1884, p. 48. 1S91. Polycarpa pcdata Herdman, Journ. Linn. Soc. London, Zool., vol. 23, p. 583. 189S. Styela whiteleggei Herdman, Ann. Mag. Nat. Hist., ser. 7, vol. 1, p. 445. (Nomen nudum.) 1899


. Bulletin - United States National Museum. Science. ASCIDIANS OF THE PHILIPPINES VAN NAME. 97 PANDOCIA PEDATA (Herdman), 1881. Plate 23, figs. 1-3. 1851. Polycarpa pcdata Herdman, Proc. Roy. Soc. Edinburgh, vol. 11, p. 71. 1852. Polycarpa pcdata Herdman, Rep. Voy. Challenger, vol. G, Tunicata, p. 180, pi. 24, figs. 1 and 2. 1S85. Polycarpa pcdata Tratjstedt, Vidensk. Meddel. Nat. For. Kjobenbavn, ann. 1884, p. 48. 1S91. Polycarpa pcdata Herdman, Journ. Linn. Soc. London, Zool., vol. 23, p. 583. 189S. Styela whiteleggei Herdman, Ann. Mag. Nat. Hist., ser. 7, vol. 1, p. 445. (Nomen nudum.) 1899. Styela whiteleggei Herdman, Catalogue Australian Museum, Sydney, No. 17, pp. 40 and 110, pi. Gyn. II, figs. 6 and 7; pi. Cyn. XIV, figs. 1-6. 1904. Styela pcdata Sluiteb, Siftoj/a-Exped., vol. 56a, p. 126. (Listed jis not found by expedition.) 1908. Polycarpa pcdata Pizon, Rev. Suisse Zoologique, vol. 16, p. 218. 1909. Pandocia pedata-\-Tethyum whiteleggei Hartmeyer, Bronn's Tier- reicb, vol. 3, suppl., pp. 1360 and 1364. Body usually somewhat elongated, tapering toward the anterior end, where the branchial aperture is situated, and broader and rounded at the poste- rior end; it may be either somewhat com- pressed laterally or nearly round in cross section. Usually it is attached in a nearly horizontal position (as- suming the ventral to be the lower side) by means of an irregular but often long and narrow pedicel arising from the ventral region posterior to the middle of the body. One or more accessory pedicels arising near the main one may assist in the attachment, or a whole group of root-like processes may replace the single pedicel, which in any case often breaks up at its foot into root-like processes for attachment. Usually the body axis is curved so that the anterior end, and often the posterior also, is turned up (dorsally) to a greater or less extent, but this curvature is generally less pronounced than in P. aurata. Atrial aperture on a more or less conspicuous con


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