PLATE 62. 

 Cenothrix mutans Chamberlin. 

 Figure 1. 

 1. — Limbate seta of second type. X 412. 



Oenone telura Chamberlin. 



Figures 2-5. 



2. — Maxillae, dorsal view. X 64. 



3. — Anterior end, ventral view (proboscis omitted). X 27. 

 4. — Parapodium of middle region, caudal view. X 64. 

 5.— Crochet. X 412. 



Dorvillea crassa Chamberlin. 



Figures 6, 7. 



6.— Mandibles. X 27. 



7. — Simple dorsal seta. X 1087. 



