Explanation of the Plates. 



List of abbreviation^. 



ap. j. apical jelly. 



c. cordylus. 



c. V. circular vessel. 



ex. exumbrella. 



g. gonads. 



111. e. mouth-edge, 



ni. V. marginal vesicle, 



ni. w. marginal wart, 



n. nematocysts. 



r c. radial canal. 



r. s line of connection between radial canal and subumbrella. 



sp. tentacular spur. 



St. d, dorsal wall of stomach. 



St. 1. lateral wall of stomach. 



St. p. stomachal peduncle, 



sub. subumbrella. 



t. tentacle. 



V. velum. 



