GAMMARIDEAN AMPHIPODA 



153 



M. spectabiUs Sars (1895, pi. 87) and M. alderl (Bate) (see Sars, 

 1895, pi. 86) but the palm of gnathopod 2 is not excavate and the 

 dactyls of pereopods 4 and 5 are very elongated. 



/-^-^*^»=?=?=,t^=^ 



Figure 75. — Metopa hamsiluna J. L. Barnard, male, 5.4 mm, 7359: a, dorsal view of 

 antenna 1 (same magnification as fig. d); b, medial view of antenna 2 (same magnification 

 as fig. d); c, medial view of antenna 1; d, head, stippled and hatched portions showing 

 midsagittal keel and epistome-labrum complex; e, head, eye and bases of antennae; /, 

 coxa 1; g-k, pereopods 1,2,3,4,5; /, apex of one lobe of lower lip; m, coxa 2. 



