PLATE 47. 



Onuphis socia Chamberlin. 



Figures 1-11. 



1.— Mandibles. X 27. 



2. — Right maxillae (carrier-plate of 1 complete). X 27. 



3. — Tip of compound crochet of first parapodium. X 1075. 



4.— Dorsal seta. X 429. 



5. — Ordinary crochet, distal end. X 429. 



6. — Distal portion of aciculum. X 429. 



7. — Second left parapodium, ectal view. X 27. 



8. — Fourth parapodium, ectal view. X 27. 



9. — First branchia with cirrus. X 45. 

 10. — Second right branchia with cirrus. X 45. 

 11. — Thu'd branchia with cirrus, dorsal view. X 45. 



