5.0 



FIG. 146. Hormiphora plumosa. A, dissected specimen having rather more than one 

 quarter of the body cut away. B, transverse section ; Diagrammatic, adr. c. adradial 

 canal ; inf. infundibulum ; inf. c. infundibular canal ; int. c. inter-radial canal ; mrd. c. 

 meridional canal ; mth. mouth ; or?/, ovary ; per. c. per-radial canal ; s. o. sense-organ ; . pi. 

 .swimming-plate ; spy. spermary ; std. stomodamm ; std. c. stomodseal canal ; std. r. stomodaeal 

 ridges ; t. tentacle ; t. b. base of tentacle ; t. c. tentacular canal ; t. sh. tentacular sheath. 



