348 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 15 



PLATE 22 

 Orbinia johnsoni 



1. Sixtieth parapodium in anterior view, x2&. 



2. Posterior end showing pygidial appendages and last few segments, 

 x35. 



3. Portion of a thoracic neuroseta at base of spinous region, X2205. 



4. Portion of thoracic notoseta at base of spinous region, x2500. 



5. Thoracic uncinus seen from the front, x941. 



6. Thoracic uncinus seen from the side, x941. 



7. Abdominal furcate seta seen from the side, xll77. 



8. Abdominal furcate seta in nearly frontal view, x!177. 







