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Show 478 MR. p. w. BASSETT-SMITH O N [Apr. 18, The egg-sacs are broad and long, placed by the side of the body, and embraced by some of these processes, but not projecting. A single median eye. Male. Much smaller, with distinctly segmented body attenuated posteriorly. Cephalothorax as. a buckler, with two free thoracic rings, the second bearing two strong spines. The tail has 8 free rings, tbe last provided with two caudal appendages. Anterior antennas 6-jointed. Posterior with two, the last carrying two curved setae. First maxillipeds large. PHILICHTHYS XIPHI^:. 2 cf • (Plate XXVI. fig. 2.) Philichthys xiphice Stp. Oversigt Danske Videnskab. 1861, p. 295, pl. ii. „ „ Bergsoe. Monograph Fremstellet, 1864, pl. i. „ C. Vogt^ Arch. Zool. Exp. vol. vi. 1877, p.407. Host: mucous canals in head of Xiphias gladius. Europe. G. 2. BICHIARDIA, gen. nov. Female. Head small, obtuse. Body elongated, segmented, the second thoracic ring being very much enlarged, oval or rounded, followed by five attenuated joints, the second of which has the genital opening. Three pairs of lateral non-articulate acute processes on each side, with a pair of caudal appendages, and a pair also of frontal ones directed forwards. Anterior antennae triarticulate. Egg-sacs long, thick, placed by the side of the body as in the preceding genus. (1) BICHIARDIA LICHI.E. 2 • Philichthys lichice Bichiardi, Atti Soc. Toscana di Sc. Nat. 1876, iii. pl. vi. fig. 1. Host: frontal sinus of Lichia amia. Mediterranean. (2) BICHIARDIA PAGRI. 2 • Philichthys pagri Bichiardi, op. cit. 1876, pl. vi. fig. 3. Host: frontal sinus of Pagrus vulgaris. Mediterranean. (3) BICHIARDIA PAGELLI. 2 • Philichthys pagelli Bichiardi, op. cit. 1876, pl. vi. fig. 4. Host: frontal sinus of Pagellus mormyrus. Mediterranean. (4) BICHIARDIA EDWARDSI. 2 • Philichthys edwardsi Bichiardi, op. cit. vol. ii. 1875, pl. vi. fig. 4. Host: frontal sinus of Serranus cabrilla. Mediterranean. (5) BICHIARDIA STEENSTRUPI. 2 • Philichthys steenstrupii Bichiardi op. cit. 1875, pl. vi. fig. 5. Host: frontal sinus of Mullus barbatus, M. surmuletus. |