i88 7 .] 
To nye Cornularier. 
17 
Explanation of the plates. 
Plate I. 
Fig. 1. Rhizoxenia alba, adherent to the tube of Onuphis 
conchylega, M. Sars; slightly magnified. 
» 2. Retracted polyp with stolon of same. (Zeiss. Oc. II. 
Obj. a 2.) 
» 3 — 11. Spicules of the stolon. 
» 12. Stelliform spicule of the polyp and tentacles. 
» 13. Gullet, with its 8 spicular series. (Zeiss. Oc. I. Obj. AA.) 
» 14 — 16. Isolated spicules of the gullet. 
» 17. Section of a polyp through the gullet. — ec. Ectoderm, 
en. Entoderm, ep. Epithelium of the gullet, f. The 
ciliated-groove (siphonoglyphe). s. Septa. D. Dorsal 
side. V. Ventral side. (Zeiss. Oc. I. Obj. AA.) 
» 18. Section of the ciliated-groove. — ep. Epithelium. en. En- 
toderm, c. Mucous cells, or glands, m. muscle-fibres. 
p. Flagelliform cells of the ciliated groove. s. Septa. 
b. Hyaline connective-tissue, with cavities left by 
loosened spicules. (Zeiss. apochr. Obj. 4, o. Oc. 4.) 
» 19 — 25. Spicules of the cell. 
» 26—34. Spicules of the polyp-body and tentacles in Rhizox- 
enia alba. 
» 35 — 43- Spicules of the basal part of Sympodium margari- 
taceum. 
Plate II. 
Fig. 44. Sympodium margaritaceum ; faintly magnified. 
» 45. Another branch of same; more magnified. 
» 46. Polyp and cell of same. 
» 47. A tentacle with spicules. 
