Fig. 13.—Genus Cupularia Lamouroux, 1921. 
A-F. Cupularia umbellata Eefrance, 1923. 
A. Zooecia, X 25 of specimen dredged in the Mediterranean at Oran (Algeria'). B. An example, 
X 25, with small, wide zooecia. C. Specimen with small, long zooecia, X 25. D, E. Zooecia enlarged 
X 50) showing the formation of the cryptocyst by the partial union of spinous processes. F. Tangential 
thin section of the frontal, X 75, showing the successive ramifications of the lateral spinous processes. 
G. Longitudinal thin section, X 75, showing the successive zones of calcification. 
J. Internal face (superior) of a zoarium, X 25. (B-G, J) Burdigalian of Merignac, Gironde France. 
H, I. Cupularia multispinata, new species. 
H. Portion of a zoarium deprived of its ectocyst, X 25. I. Zoarium X 25,, provided with its ecto- 
cyst, and its vibracula, Mediterranean at Oran (Algeria). 
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