210 



U.S. NATIONAL MUSEUM BULLETIN 23 6 



Figure m.-Amfhiascofsis ductus (Claus), loc. 589, ad. ? : a, antennule; b, antenna; c, 

 mandibular palp; d, maxiUule; e, maxilla;/, maxiUipede; loc. 592, ad. &: g, antennule. 



