| OCR Text |
Show 1899.] PARASITIC COPEPODA O N FISHES. 465 in size from first to fourth ; terminal joints of all with short setae. External ovaries long, thread-like, twisted, concealed. (1) CECROPS LATREILLII. 2 cf • Cecrops latreillii Leach, Ency. Brit. Supp. i. 1816, pl. xx. figs. 1-„ „ Lamarck, Anim. s. Vert. ed. i. t. 138, 1818. „ „ Latreille, Encycl. meth. pl. 335, fig. 3-9. „ „ Desmarest, Cons, sur les Crust. 1825,338, pl. 1. fig. 2. „ „ Guerin. Icon. Begne An., Crust. 1817, pl. xxxv. fig. 8. M.-E. Hist, Nat. Crust, iii. 1840, p. 474. „ „ Baird, Brit. Entom. 1850, p. 293, pLxxxiv. fig. 1. „ „ Nordm. Mikrog. Beitrage, 1832, p. 39. „ ,, Kroyer, Bidrag til Kundskab, 1863, p. 190. „ „ V. Bened. Bech. sur la faun. lit. Belg. 1861, p. 149, pl. xx. „ „ Thomson, Trans. N. Z. Inst. vol. xxii. 1889. In Coll. Brit. Mus. Host: Orihagoriscus mola. Mediterranean. G. 21. PHYLLOPHORUS M.-E. Carapace cordiform. Anterior antennae projecting, triarticulate. Bostrum long. Thorax with three broad, spreading, overlapping plates. Genital segment rounded. Abdomen with short lateral blunt processes on either side of its base. All the limbs biramose and lamellar, without bristles or hooks. (1) PHYLLOPHORUS CORNUTUS. 2 • Phyllophorus cornutus M.-E. Hist. Nat. Crust, iii. 1840, p. 471, "ol. xxxviii. fig. 13. Host:-? Tongatabu. G. 22. GANGLIOPUS Gerst. Carapace broader in front than behind, not deeply notched in the centre. Anterior antennae free, biarticulate ; first maxillipeds unciform. Three free thoracic segments with large dorsal plates, the first with the inner margins widely separated, those of the 2nd and 3rd with the inner borders approximated. All four pairs of thoracic limbs biramose, the first having the outer branch with one, inner with two joints, those of the second and third both two-jointed, the fourth single-jointed. (1) GANGLIOPUS PYRIFORMIS. 2 cf • Gangliopus pyriformis Gerst. Arch, fur Naturg. xx. 1854, p. 192, pl. i. fig. 9. Nogagus curticaudatus 8, Dana ? vide Stp. & Liitk., Bidrag til Kund. 1861, p. 390. Host :-? Atlantic |
