Plate 36. 



Eirene viridula. 



Fig. 1. Side view of medusa, from life. X 5. 



Pig. 2. Portion of margin, with otocyst containing four otoliths, and marginal cirrus; 



(en) solid endodermic core of cirrus ; (n) nematocyst. x about 150. 

 Fig. 3. Aboral view of base of manubrium showing form of lips, and basal portion of 



radial canals. X 15. 

 Fig. 4. Portion of bell margin with marginal organs, tentacles, tentacular knobs, cirri, and 



otocysts (otc). x 15. 



Aequorea macrodactylum. 

 Fig. 5. Tentacle base, aboral view, (go) gonad. From a photograph, x 30. 

 Fig. 6. Bell margin showing tentacles, tentacular knobs, and otocysts (otc), and the 



extremities of the radial canals, x 10. 

 Fig. 7. Tentacle base seen from within ; (go) gonad. From a photograph, x 30. 

 Fig. 8. Tentacle base, side view; (ex.p) excretory papilla. From a photograph. X 30. 

 Fig. 9. General oral view of medusa, showing condition of the gastric wall often seen 



in life. X 3. 

 Fig. 10. Otocyst, containing two otoliths (otl). x about 200. 



