. Fig. 22. Amblyops antarctica A, anterior end of immature female in dorsal view; B, right antennule; C, right antenna; D, endopod of first thoracic appendage with epipod; E, second thoracic appendage; F, right uropod; G, telson. All x 20. A. abbreviata has a wide distribution in the northern waters of the northern hemisphere and has been recorded in the North Atlantic, North Pacific and Arctic Oceans. A. antarctica may be dis- tinguished by its broader antennal scale, the shorter broader eyeplates and by the larger, more crowded spines arming the lateral margins of the telson. In A. abb
. Fig. 22. Amblyops antarctica A, anterior end of immature female in dorsal view; B, right antennule; C, right antenna; D, endopod of first thoracic appendage with epipod; E, second thoracic appendage; F, right uropod; G, telson. All x 20. A. abbreviata has a wide distribution in the northern waters of the northern hemisphere and has been recorded in the North Atlantic, North Pacific and Arctic Oceans. A. antarctica may be dis- tinguished by its broader antennal scale, the shorter broader eyeplates and by the larger, more crowded spines arming the lateral margins of the telson. In A. abbreviata the antennal scale is at least 3\ times as long as broad at its widest part, but in A. antarctica it is less than z\ times as long. In the specimen from station 1652, the small supplementary spine on the inner margin of the terminal spine of the outer margin of the scale, which is characteristic of A. abbreviata, is present and well-developed, but I am unable to find it in the other specimen. The eyeplates are shorter and proportionally broader in this species than in A. abbreviata, but they show precisely the same microscopic spinulation as in
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