]010.] . NATURAL SCIENCES OF PHILADELPHIA. 399 



Plate XX\'III — Eano'e bnrbnta — Figs. 1-G. 



Fig. 1 — Xeuropodial seta from middle^ of somitG X, X 250. 

 Fig. 2 — End of a middle notopodial seta from X, X 250. 

 Fig. 3 — Xearly smooth tip of a ventral notopodial seta from X, X 250. 

 Fig. 4 — Tliird elytron of right side, X 9. 



Figs. 5 and 6 — ^Portions of tlie same elytron at points respectively indicated 

 by A and B, X 56. 



Euno'e cceca — figs. 7-12. 



Fig. 7 — Head region from aliove, the prostomium sliglitly tipped up in 



front, tentacular cirri shown on left side only, X 9. 

 Fig. 8 — Posterior view of parapotlimn X witiiout setie, X 17. 

 Fig. 9 — Xeuropodial seta from middle of fascicle of somite X, X 56. 

 Fig. 10— Tip of the same, X 250. 

 P'ig. II — End of middle notopodial of X, X 56. 

 Fig. 12— Tip of the same, X 250. 



Harmothoe scriptoria — figs. 13-17. 



Fig. 13 — Head region from above, median tentacular style missing and 



tentacular cirri shown on left side only, X 24. 

 Fig. 14 — Anterior aspect of parapodium XX without seta;, X 33; 14a, 



tip of acicular process of neuropodium of the same viewed from behind, 



more highly magnified. 

 Fig. 15 — Elytron from somite XI, X 9; 15a, a small portion of the surface 



at A, X 56. 

 Fig. 16 — End of a neuropodial from middle of fascicle of X, X 440. 

 Fig. 17— Tip f)f middle notopodial of X, X 2.50. 



Plate XXIX — Hnrmothoe triannulala — figs. 18-22. 



Fig. 18 — Prostomium and perLstomium with appendages, from above, 



X 24. 

 Fig. 19 — Parapodium X without seta? or notocirrus, caudal aspect, X 33. 

 Fig. 20 — An anterior elytron, X 33. 



Fig. 21 — Neuropodial seta from middle of fascicle of X, X 2.50. 

 Fig. 22 — End of an average notopodial seta from X, X 440. 



Harmothoe fenehricosa — figs. 23-28. 



Fig. 23 — Dorsal ;ispect of head region, tentacular cirri and palpus shown 



on left side only, X 9. 

 Fig. 24 — Anterior aspect of parapodium X without s(;ta; and notocirrus, 



X 24. 

 Fig. 25 — Neuropodial seta from middle ol lascicle of X, X 56. 

 Fig. 26— Tip of the same, X 250. _ 

 Fig. 27 — Middle notopodial from X, X 50. 

 Fig. 28— Tip of the same, X 250. 

 Figs. 25-28 — dra^\^^ from cotype. 



Hnrmothoe {Evarne) fragilis — figs. 29-30. 



Fig. 29 — Dorsal aspect of prostomium and peristomial parapodia, lacking 

 median tentacular style and riglit tentacular cirri, X 24. Left tentacular 

 cirri from a cotype. 

 Fig. 30 — Neuropodial seta from middle of fascicle of X, X 250. 



Plate XXX — Harmothoe fragilis — figs. 31-33. 



Fig. 31 — Anterior aspect of parapodium X of a cotype (Sta. 4,418), X 33. 

 Fig. 32 — Third elytron of the same cotype, X 24. 

 Fig. 33— Tip of average notopodial of X, X 2.50. 



Anlinoe anondnta — figs. 34-40. 



Fig. 34— C^'phalic region from tlie dorsum^ X 9. 

 Fig. 3.5^Posterlor aspect of ))arapodium ."V without seta^, X 9. 

 Fig. 36— Fourtli riglit elytron (VII), X 9. 



Fig. 37 — Neuropodial seta> from X; a, dorsal, h, middle, and r, ventral, 

 X 56. • 



