28S BULLETIN OF THE 



In figure 1 the bell margins are too prominent, and the spiral lines iu which the 

 openings into the cavities of the nectocalyces lie are imperfectly shown. 



PLATE VI. 



Fig. 1. Bhizophysa gracilis, sp. nov. 



" 2. Float (R. gracilis). 



" 3. Sexual organs (II. gracilis). 



" 4. Polypite and proximal part of the tentacle (R. gracilis). 



" 5. First kind of tentacular knob (E. gracilis). 



" 6. Second kind of tentacular knob (R. gracilis). 



" 7. First kind of tentacular knob (Athorybia furmosa). 



" 8. The same from one side. 



" 9. Second kind of tentacular knob (A. formosa). 



" 10. The same from one side. 



" 11. Male bells (A. formosa). 



" 12. Female bells (A. formosa). 



" 13. Taster (A. formosa). 



" 14. Covering-scale (A. formosa). 



" 15. Tentacular knob of Agalma papillosum. 



" 16. Taster and sexual bells of An ■■■' I 'ufpsis fragile. 



" 17. Tentacular knob (Ag. fragile). 



" 18. Tentacular knob of Slephanomia Atlontica. 



" 19. The same, uncoiled. 



" 20. Polypite [S. A 



" 21. Tentacular knob (.S*. Allaidica). 



" 22. Polypite (.S'. Atlantica). 



" 23. Polypite [Ag. fragile). 



" 24. Male bell [Ag. fragile). 



" 25. Cluster of male bulls (Ag. fragile). 



