. Bulletin of the British Museum (Natural History) Zoology. B Pseudoceros perviolaceus: A, dorsal surface of body in life; B, arrangement of eyes. from Sri Lanka (Kelaart, 1858) and Philippines (Kaburaki, 1923). Descriptions. Kelaart, 1858:136; Collingwood, 1876:95; Kaburaki, 1923:646. Pseudoceros perviolaceus Hyman, 1959 Eurylepta violacea Schmarda 1859, nee Collingwood, 1876 Proceros violaceus (Schmarda) Diesing, 1862 Pseudoceros velutinus (Blanchard, 1845), var. violaceus (Schmarda) Lang, 1884 Pseudoceros violaceus (Schmarda) Stummer-Traunfels, 1933 Locality. Low tide on sand-flats a


. Bulletin of the British Museum (Natural History) Zoology. B Pseudoceros perviolaceus: A, dorsal surface of body in life; B, arrangement of eyes. from Sri Lanka (Kelaart, 1858) and Philippines (Kaburaki, 1923). Descriptions. Kelaart, 1858:136; Collingwood, 1876:95; Kaburaki, 1923:646. Pseudoceros perviolaceus Hyman, 1959 Eurylepta violacea Schmarda 1859, nee Collingwood, 1876 Proceros violaceus (Schmarda) Diesing, 1862 Pseudoceros velutinus (Blanchard, 1845), var. violaceus (Schmarda) Lang, 1884 Pseudoceros violaceus (Schmarda) Stummer-Traunfels, 1933 Locality. Low tide on sand-flats and among coral fragments on west coast and in front of Marine , Inhaca I., Mozambique (V. Gabie leg.) This species has also been recorded from east and west coasts of Sri Lanka (Schmarda, 1859), Red Sea (Boutan, 1892) and Palau Is (Hyman, 1959). Descriptions (). Lang, 1884:540; Stummer-Traunfels, 1933: 3544; Hyman, 1959a:566; Hyman, 1959b:7. Three pre- served, much flattened specimens from Inhaca I. are available. They are elongate, measuring up to 40 mm long and 25 mm wide, but they may be four times longer than wide. The preserved worms are brownish, but when alive, as seen in a water-colour painting, the colour ranged from violet to deep purple, with a lighter median line dorsal to the intestinal trunk. Colour lighter ventrally. Arrangement of tentacular and cerebral eye-clusters as shown in Pharynx with four pairs of deep lateral folds; hind pair may bifurcate and almost enclose the single male complex bearing a penis-stylet. Pseudoceros splendidus Stummer-Traunfels, 1933 Pseudoceros superbus Lang, 1884, nee. Schmarda, 1859 Pseudobiceros splendidus (Stummer-Traunfels) Faubel, 1984 Locality. In front of Marine Biol. Stat., Inhaca I., Mozambique, July 1958 (V. Gabie leg.). This species appears to be widely distributed having been recorded from the Mediterranean, Vietnam, Galapagos Is., Puerto Rico and Bermuda. Description. Lang, 1884:540. The body meas


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