EXPLANATION OF PLATES. 



PLATE I. 



Fig. 1. Pycuogonum littoralc, 4G9, male; dorsal view. 



2. The same; yentral view. 



3. The same ; a, accessory leg ; &, ambulatory leg. 



4. Achelia spiuosa, 473; a, general dorsal view; b, antenna; c, spine from acces- 



sory leg. 



PLATE II. 



Fig. 5. Palleno empusa, 476 ; dorsal view. 



C. The same; «, ventral view of rostrum aud part of the oculiferous segment; 

 c c', spines from accessory leg. 



7. The same; antenna. 



8. Achelia spinosa, 473 ; terminal joints of leg. 



9. Pseudopallene hispida, 478; a, general dorsal view; o, antenna; c, spiuo from 



accessory leg. 

 10. Pseudopallene discoidea. 479; a, dorsal view of body; h, antenna; c, acces- 

 sory leg of female. 



PLATE III. 



Fig. 11. Tanystylum orbiculare, 471; a, general dorsal view; l, terminal joints of leg; 

 c, palpus; d, accessory leg of female; //', spines from accessory legs, 



12. Phoxiohilidium maxillare, 480 ; dorsal view of body. 



13. The same (smaller southern form); terminal joints of leg. 



14. The same (larger form, from Eastport). 



15. The same ; a, accessory leg ; J, ova ; c, antenna. 



16. Anoplodactylus leatus, 482 ; dorsal view of body. 



17. The same; antenna. 



18. The same; a, terminal joints of leg; l, accessory leg. 



PLATE IV. 



Fig. 19. Ammothea acheliodcs, 484 ; dorsal view of body; r, rostrum; o, antenna; 5, 

 palpus ; d, abdomen ; e, oculiferous tubercle ; s', etc., lateral processes ; I, 

 legs; b (smaller figure), accessory leg. 



20. The same; a, terminal joints of leg; ?», antenna; c, palpus. 



21. Nymphon macrum, 487; dorsal view of oculiferous segment; terminal joints 



of leg ; palpus. 



22. The same; a, antenna; i, spines from fixed claw; c, spines from movable 



claw. 



23. The same ; accessory legs of male and female (both are enlarged to the same 



amount). 



503 



