192 ALLAN' HANCOCK PACIFIC EXPEDITION'S VOL. 25 



PLATE 27 



Piromis arenosus Kinberg (South Africa) 



a. A median neuropodium shelving an entire setal fascicle, x 195. 



b. Uppermost neuropodial seta from the same parapodium, x 585. 



c. Bifid tip of a neuropodial seta, x 1151. 



