Plate 44. 



Fig. 1. Zanclea geinrnosa ; portion of bell and tentacle (t) ; (era) radial canal; (nem.r) 

 exumbral nematocyst rib ; (nem) stalked tentacular cnidoblast. X about 50. 



Fig. 2. Zanclea gemmosa ; manubrium with large ova (ov). x 40. 



Fig. 3. Amphiuema turrida; side view of an immature specimen. The gonads (go) have 

 not yet united with the subumbrella. From a preserved specimen, x 25. 



Fig. 4. Amphiuema turrida. Cross-section of manubrium near its base. The gonads 

 (go) are continuous in the interradii, but interrupted in the perradii ; (era) 

 radial canal ; (gas) gastric cavity. From a photograph, x 25. 



Fig. 5. Bougainvillea fulva. Diagram of the dichotomous branching of one of the labial 

 tentacles. 



Fig. 6. Bougainvillea fulva. Side view of manubrium ; lip (1) and labial tentacles (t.l) 

 with terminal nematocyst knobs (nem). From a photograph, x 25. 



Fig. 7. Bougainvillea fulva. Cluster of marginal tentacles, containing thirteen members; 

 (o) ocellus. From a photograph. X about 30. 



Fig. 8. Purena brownei. Tentacle, showing naked proximal portion, and distal portion 

 clothed with nematocyst ridges. From a photograph, x 25. 



Fig. 9. Purena brownei, exumbral view of tentacle base ; (o) ocellus. From a photo- 

 graph, x 35. 



Fig. 10. Purena brownei, side view of tentacle base; (o) ocellus; (en) endodermic core 

 of tentacle. From a photograph. X 35. 



Fig. 11. Lymnorea alexandri, dissection of margin giving side view of tentacle base, 

 with ocellus (o) on its oral side ; (c.c) circular canal ; (v) velum ; (g) mesogloea. 



Fig. 12. Lymnorea alexandri, side view of apex of bell, showing manubrium, inter- 

 radial gonads (go) and labial tentacles or knobs (t.l); (era) radial canal. 

 From a preserved specimen, x 30. 



