" 





FIG. 160. Hormiphora plumosa. A, dissected specimen having rather more Mian one quarter of 

 the body cut away. S, 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 ; ntth. mouth ; <">/. ovary ; ']><'/'. c. per-radial canal ; s. o. sense-organ ; s. pi. swimming- 

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

 t. b. base of tentacle ; t. c. tentacular canal ; t. nh. tentacular sheath. 



VOL. I 



