THE COPEPOD GENUS PARANTHESSIUS — ILLG 



421 



Types have been assigned the following United States National 

 Museum catalog numbers: Holotypic female, 85341; allotypic male, 

 85342. 



Description. — Female: The metasome is very wide in proportion 

 to its length, presenting a suborbicular outline (fig. 37, A). The 



Figure 37. — A-H, Paranthessius saxidomi, new species: Female, A, body outline (X 25); 

 B, antenna (X 144); C, maxilliped (X 684); D, terminal segment of fourth endopodite 

 (X 296); E, fifth leg (X 296); F, caudal ramus (X 144). IVIale, G, maxilliped (X 296) 

 H, fifth leg (X 684), I-P, P. perplexus, new species: Female, I, rostrum (X 296) 

 J, antennule (X 144); K, antenna (X 144); L, mandible (X 424); M, maxilliped (X 296) 

 N, terminal segment of fourth endopodite (X 296); O, fifth leg (X 296); P, caudal ramus 

 (X 144) 



