350 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 15 



PLATE 23 

 Phylo felix 



1. Anterior end seen from the left side, proboscis slightly everted, 

 xl4. 



2. Fifteenth parapodium seen from the front, showing underlying 

 epithelial gland, x42. 



3. Median abdominal parapodium in anterior view, x42. 



4. Superiormost modified spine from posterior thoracic segment in 

 3/4 view, x85. 



5. Cross section of modified spine near base of speared tip, x338. 



6. Thoracic neuropodial uncinus from near front of series, with maxi- 

 mum development or ridges, seen from the side, xll3. 



7. Furcate seta from abdominal notopodium, x864. 







