A NEW COPEPOD FROM A MARSH CRAB — HUMES 383 



Figure 18. — Cancrincola plumipes, new species: a. Anterior antenna, male; b, posterio; 

 antenna, female; c, anterior antenna, female; d, female, lateral view; e, maxilliped, female 

 /, spermatophore, male; g, fifth leg, male; h, second maxilla, female; i, second leg, fer 

 male; ;', fifth leg, female; k, first leg, female; /, mandible, female; m, first maxilla, 

 female. All figures were drawn with aid of a camera lucida. The 0.2 mm. scale ap- 

 plies only to d; the 0.05 mm. scale near k applies to all the other figures. 



