OCR Text |
Show 486 MR. P. W. BASSETT-SMITH ON [Apr. 18, squarish genital segment. Abdomen as a long pedunculated sac, terminating in two minute caudal appendages. Egg-tubes filiform ; ovules uniseriate. The minute articulate appendages have not been described. (1) ECHETUS TYPICUS. 2 • Echetus typicus Kr. Bidrag til Kundskab, 1863, p. 315, pl. xv. fig. 6. Host: Gorvina unimaculata. New Orleans. G. 7. LOPHURA Kollar. Head oval, in the same straight line as the neck and genital segment, having two wing-like processes at its base ; neck slender. Genital segment squarish, giving off posteriorly two bundles of filiform appendages. (1) LOPHURA EDWARDSI. 2 • Lophura edwardsi C. Claus, Nat. Zeitschrift, 1860, pl. x. fig. 11. Host:- ? Mediterranean. G. 8. LERNCEOLOPHUS Heller. Head globular, carrying three strong branching horns ; neck long, cbitinous, curved. Genital segment S-sbaped, bearing over the posterior or abdominal portion extremely numerous, long, tassel-like appendages. Four pairs of limbs placed close behind the head and near together. Egg-sacs long ; ovules uniseriate. (1) LERNcEOLOPHUS SULTANUS. 2 • Lerncvolophus sultanus Heller, Beise d. Novara, 1865, p. 251, pl. xxv. fig. 7. Penella sultana M.-E. Hist. Nat. Crust, iii. 1840, p. 523. In Coll. Brit. Mus. Hosts : Serranus scriba, S. cabrilla, Mediterranean ; also Caranx sp. (2) LERNcEOLOPHUS HEMIRHAMPHUS. 2 • Lerncea hemirhamphi Kr. Bidrag til Kundskab, 1863, p. 318, pl. xv. fig. 7. Host: Hemirhamphus sp. West Indies. G. 9. LERNCEA Linn. Head globular, with strong branching horns; neck cylindrical, chitinous. Genital segment strongly bent in S-shape, simple. Egg-tubes long, convoluted. Four pairs of thoracic limbs placed close behind the head, the first two biramose, third and fourth uniramose; all with plumose setas. |