PLATE 40. 



Paronuphis solenotecton Chamberlin. 



Figures 1, 2. 



X. — Pectinate seta from second parapodium. X 1075. 

 2.— Crochet from posterior region. X 429. 



Onuphis proalopus Chamberlin. 



Figxires 3-8. 



3._ Prostomium and peristomium and appendages, dorsal view. X 27. 



4.— Maxillae (left blade of I omitted). X 45. 



5.— Labium. X 27. 



6,— Tip of aciculum. X 429. 



7. — Coarse ventral seta of sixth parapodium. X 429. 



8. — Crochet, middle region of body. X 429. 



