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Show 1899.] PARASITIC COPEPODA O N FISHES. 453 (48) CALIGUS TRICHIURI. (8 Kr., 2 B.-S.) 8 • Caligus trichiuri Kr. Bidrag til Kundskab, 1863, p. 46, pl. iv. fig. 2. Host: Trichiurus haumela. East Indies. 2 ("?)• Caligus longicaudus B.-S. Ann. & Mag. N . H . ser. 7, vol. i. 1898, p. 8, pl. iv. fig. 1. In Coll. Brit. Mus. Hosts : Trichiurus haumela and Chirocentrus dorab. Bombay. Division 3. Abdomen with 3 joints. (49) CALIGUS ANGUSTATUS. 2 • Caligus angustatus Kr. Bidrag til Kundskab, 1863, p. 84, pl. vii. fig. 2. Sub-G. SCI^NOPHILUS Van Beneden. Cephalothorax proportionally very small, rounded. Genital segment elongated. Abdomen having a total length equal to the remainder. Second maxillipeds very large, massive ; other limbs as in Caligus. (1) SCI^NOPHILUS TENUIS. 2 • Scicenophilus tenuis V. Ben. Bull. Acad. Boy. Belg. xix. 1852, pt. 3, p. 464. „ „ V. Ben. Eecherch. sur les Crust. Belg. 1861, p. 148, fig. xxi. „ B.-S. Journ. M. B. Assn. Plymouth, 1896, p. 156. In Coll. Brit. Mus. Host: gills of Scicena aquila. Europe. (2) SCICENOPHILUS BENEDENI. 2 • Scicenophilus benedeni B.-S. Ann. & Mag. N.H. ser. 7, vol. i. 1898, p. 9, pl. iv. fig. 3. Host: gills of Scicena diacanthus. Bombay. G. 6. LEPEOPHTHEIRUS Nordm. Carapace large, rounded, scutiform. Frontal border without lunulae. Fourth thoracic segment small, simple. Genital segment without plates or lobes. Abdomen projecting, terminating in two caudal plates. Thoracic limbs as in Caligus. Division 1. Abdomen consisting of a single joint. (1) LEPEOPHTHEIRUS BRACHYURUS. 2 • Lepeophtheirus brachyurus Heller, Beise d. Novara, 1865, p. 185, pl. xvi. fig. 4. Host: gills of Tetrodon ealamaria [T. stellatus]. Java. PROC. ZOOL. Soc-1899, No. XXX. 30 |
