PLATE 63. 

 Dorvillea crassa Chajiberlin. 

 Figure 1. 

 1. — Composite seta, distal portion. X 1075. 



Hemipodus mexicanus Chambeklin. 



Figures 2, 3. 



2. — Twelfth parnpodium, caudal view. X 63. 

 3. — Composite seta, distal portion. X 1075. 



Telake epipolasis Chambeklin. 



Figures 4-8. 



4. — Twenty first p.irapodium. X 63. 



5. — Thirt}' seventh parapodinm. X 63. 



6. — Distal portion of notopodial seta of twenty first parapodium. X 1075. 



7. — Tip of neuropodial seta of thirty seventh parapodium. X 1075. 



8. — Portion of same seta at proximal end of free part. X 1075. 



