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Show 488 MR. P. W. BASSETT-SMITH ON [Apr. 18, (1) HcEMOBAPHES CYCLOPTERINUS. 2 • Lerncea cyclopterina Fabr. Fauna Groenl. 1780, p. 337. Lernceocera cyclopterina Blainv. Journ. de Physique, xcv. 1823, p. 376. Lerncea cyclopterina Kr. Tidsskrift, i. 1837, p. 502, pl. v. fig. 4. Lerncea cyclopterina M.-E. Hist, Nat. Crust, iii. 1840, p. 529. Ucemobaphes cyclopterina Stp. & Liitk. Bidrag til Kundskab, 1861, p. 405, pl. "xiii. fig. 30. Hosts : Gyclopterus spinosus, Cottus spp., Gadus sp., Gunnellus [Centronotus] fasciatus, Sebasles norvegicus. Faroe Is. & c G. 11. PERODERMA Heller. Head globular, covered with numbers of closely placed fine-branching processes, united to the long sac-like genital segment by a short, narrow, slender neck, at a right angle aud one-third from the extremity. Anterior antennae triarticulate, setiferous First two pairs of true limbs biramose, others uniramose, each 1 two joints. Egg-sacs long ; ovules in a single row. (1) PERODERMA CYLINDRICUM. 2 • Peroderma cylindrica Heller, Beise d. Novara, 1865, p. 250, pl. xxv. fig. 6. „ „ Bichiardi, Atti della Soc. Toscana, 1875, vol. ii. pl. iv. fig. 1. „ branchiata B.-S. Ann. &, Mag. N . H. ser. 7, vol. i. 1898, p. 13, pl. vii. fig. 2. Hosts : ' Sardine ' in Mediterranean ; Coilia dussumieri, Bombay. Family VI. CHONDEACANTHILLE. Female forms incompletely or indistinctly segmented, often of particularly bizarre appearance from the growth of irregular lobes and prolongations. The anterior antennas are short, 2-3-jointed, the posterior generally in the form of simple hooks, often powerful. Maxillipeds small, unciform, close to the mouth-opening; limbs generally in the form of non-articulate lobes. Sex-organs paired, often very voluminous. External ovaries claviform ; ovules multiseriate in most cases, sometimes convoluted or bidden. The pigmy male is out of all proportion to tbe female, to which it is firmly adherent, It has a distinct cephalothorax, segmented abdomen, and is furnished with articulate limbs. G. 1. SPHYRION CUV. (Lesteira Kr.) Head float-like, enlarged transversely, separated by a long cylindrical neck from tbe genital segment, which is cordiform or oval, flattened antero- posteriorly ; this gives off on either side of the rudimentary abdomen a bunch of hard grape-like processes projecting backwards. Thoracic limbs suppressed. Egg-tubes long, robust. Antennas as non-articulate lobes. |