FIGURE 30 in New genera for species of Jassa Leach (Crustacea: Amphipoda) and their relationship to a revised Ischyrocerini

FIGURE 30. Pleojassa wandeli (Chevreux, 1906). Variation in the male gnathopod 2 propodus and dactyl, with the palmar defining spine as a landmark. Note the internal thumbed cuticle in males 3 and 4. Male 1, 9.8 mm and male 3, 6.3 mm, Billie Rocks, Signy Island, South Orkney Islands, 5 March 1965, M. H. Thurston, coll., NHM 1969:735:39, station no. 10(95). Male 2, 4.0 mm, Berntsen Point, Signy Island, South Orkney Islands, 21 April 1964, M. H. Thurston, coll., NHM 1969:752:15, station no. 33 (1427) pt. Male 4, 9.3 mm, Ile Petermann, 565, Pourquoi pas? Antarctica 1908–1910, 2e Miss. Charcot 1912, 16 Nov. 1909, MNHN Am. 2627. Male 5, 6.6 mm, Kerguelen Island, Antarctica (49.30°S, 69.30°E), 13 Feb. 1966, D. Bellan-Santini loan. Lateral views: males 2, 4 and 5 (setae omitted); medial views: males 1 and 3. Scale 0.1 mm.