| OCR Text |
Show 1899.] PARASITIC COPEPODA ON FISHES. 463 G. 18. DINEMATURA Latreille. Carapace rounded, deeply excavated posteriorly. Frontal plate distinct. Anterior antennae biarticulate. Bostrum long. Second maxillipeds massive and nodose. First free thoracic segment with a small lateral lobe; second of a square shape, free ; third with two large dorsal plates. Genital segment oblong, winged, posteriorly produced in two short lobes and a small median process, partially covered by two narrow plates. Abdomen elongated, with lateral processes and two large foliaceous caudal appendages. All the thoracic limbs are biramose, the first biarticulate, the second and third triarticulate, all with plumose hairs on the margin; the fourth pair are changed into lamellar processes. (1) DINEMATURA PRODUCTA. 2 • Caligus productus Mull. Entomost. 1785, p. 132, pl. xxi. fig. 3. Pandarus lamnce Johnst. Mag. Nat. Hist. 1835, viii. p. 203. Dinemoura lamnos Baird, Brit.Entom. 1850, p. 286, pl. xxxv. fig. 7. Dinematura producta Stp. & Liitk. Bidrag til Kundskab, 1861, p. 34, pl. vii. fig. 13. „ lamna Kr. Bidrag til Kundskab, 1863, p. 179. Dinematoura elongata V. Bened. Bull. Ac. Boy. Belg. 1860, p. 149, pl. xxiv. „ 8 V. Bened. Bull. Ac. Boy. Belg.1892, p. 231. In Coll. Brit. Mus. Hosts: Lamna cornubica ; Scymnus glacidlis [Laemargus borealis]. (2) DINEMATURA FEROX. 2 • Dinematura ferox Kr. Tidsskrift, ii. 1838, p. 40, pl. i. fig. 5. Dinemoura ferox M.-E. Hist. Nat. Crust, iii. 1840, p. 465. „ Stp. & Liitk. Bidrag til Kund. 1861, p. 379. Dinematura carcharodonte Thomson, Trans. N. Z. Inst. 1889, vol. xxii. p. 360, pl. xxvi. fig. 2. In Coll. Brit. Mus. Host: Scymnus microcephalus [Laemargus borealis]. (3) DINEMATURA SERRATA. 2 • Dinemoura serrata Kr. Bidrag til Kundskab, 1863, p. 176, pl. viii. fig. 4. Host:-? (4) DINEMATURA LATIFOLIA. 2 • Dinematura latifolia Stp. & Liitk. Bidrag til Kundskab, 1861, p. 38, pl. viii. fig. 16. In Coll. Brit. Mus. Host: Oxyrhina [Lamna] glauca. (5) DINEMATURA HAMILTONI. 2 • Dinematura hamiltoni Thomson, Trans. N. Z. Inst. vol. xxii. 1889, p. 357, pl. xxv. fig. 1. Host: "Shark." New Zealand. |
