Plate 41. 



Proboscidactyla ornata, var. stolonifera. 



Fig. 1. Side view of preserved specimen, 5 mm. in diameter. 



Fig. 2. Oral view of base of manubrium and radial canals (era), in a specimen 3 mm. 

 in diameter, in which the gonads (go) have appeared. 



Fig. 3. Oral view of base of manubrium of slightly larger female specimen., showing 

 extension of gonads (go) along radial canals (era). 



Fig. 4. Same view of a specimen 5 mm. in diameter, showing eytreme extension of 

 gonads (go). 



Fig. 5. Base of tentacle showing pigment spot (o); (nem) nematocyst pad; (en) endo- 

 dermic core of tentacle ; (era) radial canal. 



Fig. 6. Portion of bell margin; (nem) exumbral nematocyst cluster; (era) radial 

 canal. From a photograph. X about 30. 



Fig. 7. Diagram of canal system in a large specimen. 



Fig. 8. Sibogita simulans, sp. nov., aboral view of apex of bell of type specimen, show- 

 ing blind terminations of adradial centripetal canals (c.ara) ; (era) radial 

 canal; (go) gonad. X 3. 



Fig. 9. Sibogita simulans, tip of tentacle with nematocyst knob (nem). x about 15. 



Fig. 10. Paudea violacea, one quadrant of bell margin ; (t.ra) radial tentacle ; (o) ocel- 

 lus ; (c.c) circular canal, x about 25. 



Fig. 11. Pandea violacea, side view of preserved specimen, 4 mm. in diameter. 



Fig. 12. Heterotiara anonyma, aboral view; (go) gonads; through an error these are 

 represented as per instead of interradial, X 3. 



Fig. 13. Heterotiara anonyma, side view of preserved specimen ; gonads are inter- 

 radial. x 3. 



