Bull U. S. F. C, 1900, Vol. 2, — H. F. Moore. (To face pate 176.) 
Plate 10. 
Pig. 1. JEga ecarinata Richardson, x 1.3. 
Fig, 2. Rocinela signata Sell. & Mein, x 4.5. 
Figs. 3, 4. Anilocra laticauda Milne-Edwards. — Fig. 3, animal, x 1.3. Fig. 4, head of same, x 1.3. 
Figs. 5-8. Cilicea cordata Ives. — Fig. 5, male, X 5.3. Fig. 6, female, x 8. Fig. 7, first, antenna, x 40. Fig. 8, second antenna, x 40. 
Figs. 9-19. Dynamene perforata, n. sp.— Fig. 9, male, x 12. Fig. 10, female, x 12. Fig. 11, first antenna. Fig. 12, second antenna. Fig. 13, 
tip of maxilla, highly magnified. Fig. 14, mandible, x 77. Fig. 15, maxillipeds, x 77. Fig. 16, first leg, left, x 33. 
Fig. 17, fourth leg, left, x 33. Fig. 18, seventh leg, left-, x 33. Fig. 19, telson and uropod, right side, male, x 33. 
