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Show 498 MR P. W BASSETT-SMITH O N Arr. 18, G. 4. CHAROPINUS Kroyer. Cephalothorax short, distinctly two-jointed. Second maxillipeds very long and slender, arm-like, with organ of attachment as handlike clasping processes. Genital segment elongated, indistinctly segmented, terminating in two simple filiform processes. Abdomen rudimentary. External ovaries saccular. Male minute; cephalothorax distinct; 2nd maxillipeds very large aud cheliform ; abdomen with 5 or 6 articulations. (1) C H A R O P I N U S R A M O S U S . 2 cf. Charopinus ramosus Kr. Bidrag til Kundskab, 1863, p. 284, pl. xiv. fig. 5. Host: gills of Raja davata. Europe. (2) CHAROPINUS DALMANNI. 2 8 • Lerncea dalmannii Betzius, Froriep's Notizen, xxix. 1831, p. 617, pl. vi. fig. 5. Lernceopoda dalmannii Kr. Tidsskrift, i. 1837, p. 264, pl. ii. fig. 3. M.-E. Hist. Nat. Crust, iii. 1840, p. 516. Charopinus dalmannii Kr. Bidrag til Kundskab, 1863, p. 280, pl. xiv. fig. 6. Host: gills of Raja batis. Europe. (3) CHAROPINUS HYPOCEPHALUS. 2 • Stylophorus hypocephalus Hesse, Ann. Sci. Nat. ser. 6, viii. 1878, art. 15, p. 1. G. 5. ACTHERES Nordm. Cephalothorax distinctly separated from the body, short, oval, one-jointed. Second maxillipeds long, slender, arm-like, united at the end, bearing a small disc of attachment. Body oval, distinctly segmented. External ovaries bag-like ; ovules large. (I) ACTHERES PERCARUM. 2- Actheres percarum Nordm. Mikrog. Beitrage, 1832, p. 63, pl. i. Kr. Tidsskrift, ii. 1838, p. 143, pl. iii. fig. 6. M.-E. Hist. Nat. Crust, iii. 1840, p. 511, pl. xl. fig. 8. Host: Percafiuviatilis. (2) ACTHERES PIMELODI. 2 • Actheres pimelodi Kr. Bidrag til Kundskab, 1863, p. 272, pl. xvii. fig. 5. Host: gills of Pimelodes maculatus. North America. (3) ACTHERES LACcE. 2 • Actheres lacce Kllr. „ „ Kr. Bidrag til Kundskab, 1863, p. 274, pl. xvii. fig. 6. Host: Perca laca. North America. |