PLATE 51. 



Onuphis litabranchia Chamberlin. 



Figures 1-10. 



1. — Anterior end, ventral view. X 27. 

 2. — Distal end of aciculum from middle region. X 437. 

 3. — Distal end of limbate seta from middle region. X 437. 

 4. — Distal end of pectinate seta from middle region of body. X 1075. 

 5. — Distal end of crochet from middle region of body. X 437. 

 6. — Distal end of special crochet from second parapodium. X 1075. 

 7. — First parapodium, caudoectal view. X 63. 

 8. — First branchia with notocirrus, subectal view. X 63. 

 9. — Sixth branchia with notocirrus. X 63. 

 10. — Thirteenth right branchia with notocirrus and dorsal setae. X 63. 



