200 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 22 



PLATE 12 

 Tliaryx monilaris, new species (sta. 4723 and 5586) 



1. Entire animal, showing inflated anterior and posterior 



ends, with front end in left lateral view, and posterior 

 end in dorsal view, showing relations of attached 

 branchiae, and comparative lengths of setae, in 

 atokous individual, x 80 (sta. 4723). 



2. Anterior end of an epitokous individual (from sta. 5586), 



showing greatly enlarged ovigerous segments, and 

 elongated setae, in dorsal view, x 115. 



