Fig. 160 — Bujidi ti rita, a marine ectoproct. A colon\-, magnified 1.5 

 diams. Photo, of li\dng animals by W. H. C. P. 



Fig, 170. — Pliiiiinlrlla pulij/norpha, a frosh-water ectoproct, magnified 1.5 

 diams. Photo, of livine animals liv W. H. C. P, 



