5.0 



160. Hormiphora plumosa. A, dissected specimen haying rather more than one quarter qf 

 the body cut away. B, section at right angles to long axis (horizontal) ; diagrammatic, adr. c. 

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

 meridional canal ; mth. mouth ; ovy. ovary : par. c. per-radial canal ; s. o. sense-organ ; s. pi. swimming- 

 plate ; spy. spermary ; std. stomodaeum ; std. c. stomodseal canal ; std. r. stomodseal ridges ; t. tentacle ; 

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



VOL. I P 



