ART. 25 THE AMPHIPOD FAMILY BATEIDAE SHOEMAKER 7 



few long plumose setae arising from the lower half of the hind 

 margin of the muscular portion of the joint, remaining joints as in 

 the preceding peraeopods. Peraeopod 5 longest, second joint 



Fig. 4.— Hatka catharinensi.s MfLLion, Chk.sapeake Bay.— «. I.kft MANDiiii.B, Female; 



6, PALP OF LEFT MANDIBLE, FEMALE; 0, GNATHOPOD 1, MALE; (I, GNATHOPOD 1, FEMALE/ 

 e, GNATHOPOD 2, FEMALE. In.SIDE MOUTH OF MAY RiVER, SOUTII CAROLINA.—/., GNATHO- 

 POD 1, male; a, GNATHOPOD 2, MALE; h, PERAEOPOD 2, MALE; i, PEKAEOPOD 3, MALE; 

 j, PERAEOPOD 4, male; k, PERAEOPOD 5, MALE; I, PO.STERIOR LATERAL MARGIN OF ABDOMI- 

 NAL SEGME/NT 3, male; m, TELSON, MALE. JIOUTH OF BULL'.S CREEK, NEAR COOPEK 



River, South Carolina. — n, Gnathopod ], female 



