A 



rsr 



mth 



j \ fire 



3 



PIG 



. l~2h. Aurelia aurita. A, dorsal view, part of the ex-umbrella cut away to show part of 

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

 removed, n.r. <-. adradial canal; </. /. gastric, filaments ; goi>. gonads; rj. p. gastric pouch; 

 i.r. c. inter-radial canal ; m<i. //>. marginal lappet; mth. mouth; or. a. oral arm; p.r. c. per- 

 radial can- ' ; s.<j. p. sub-genital pit ; st. stomach ; t. tentacles. 



