t/rcn 



W n 



Fig. i _■•■- Aurelia aurita. A, dorsal view, part of the ex-umbrella cut away t<i show part of 

 tho stomach and one of the four gastric pouches ; 15, ventral view — two of the oral arms, are 

 removed, a.r. c. adradial canal; </. /. gastric filaments; ijoa. gonads; «7. p. gastric pouch ; 

 i.r.c. inter-radial canal ; ma. lp. marginal lappet; uUk. mouth; or. a. oral arm; p.r.c. per- 

 radial canal ; s.g. p. sub-genital pit ; st. stomach ; t. tentacles. 



