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Fig. 4. Mesopleustes abyssorum (Stebbing). Female, 22.0 mm, Albatross 5082: a, lateral view; b , enlarge- 
ment of urosome and third pleonal epimeron; c, mandible; d, lower lip; e, f, maxillae 1, 2; g, maxilliped; h, 
gnathopod 1; i, j, medial and lateral views of gnathopod 2; k, l, right and left pereopod 5, to show asymmetry 
in article 5; m—o, uropods 1-3; p, uropod 3, enlarged. 
