14 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I28 



Fig. 4. — a-j, Gitanopsis arctica Sars. Male : a, mandible, giving side view of 

 palp; b, maxilla i ; c, maxilla 2; d, maxillipeds ; e, end of inner plate of maxilli- 

 ped, greatly enlarged ; /, peraeopod 3 ; g, peraeopod 4 ; h, peraeopod 5 ; i, uropod 

 i; j, uropod 3. k-q, Mctopa clyp^ata (Kroyer). Male: k, front end of animal; 

 /, hind end of animal ; m, uropods 2 and 3 and telson of another male ; n, mandi- 

 ble ; o, maxilla i ; p, gnathopod i ; q, gnathopod 2. 



