PLATE 41. 



Onuphis proalopus Chamberlin. 



Figures 1-10. 



1. — Compound crochet, fotu-th parapodium. X 429. 

 2. — Pectinate seta. X 1075. 

 3. — First parapodium, ectal view. X 27. 

 4. — Fourth parapodium, ectoventral view. X 27. 

 5. — Seventh right parapodium, subectal view. X 27. 

 6. — Sixth parapodium, ectoventral view. X 27. 

 7. — First right branchia, with cirrus. X 45. 

 8. — Sixth left branchia, with cirrus. X 45. 

 9. — Ninth right branchia with cirrus. X 45. 

 10. — Twentieth left branchia, with cirrus. X 45. 



