a^'^^^il 



Fig. 13. — Genus CupuUirifi Lamouroiix, 1921. 



A-F. Cupularia umbellata Defrance, 1923. 



A. Zooecia, X 25 of specimen dredged in the Mediterranean at Oran (Algeriai. B. An example, 

 X 25, with small, wide zooecia. C. Specimen ^rith small, long zooecia, X 25. D, E. Zooecia enlarged 

 X 50).8howing the formation of the cryptocyst by the partial union of spinous processes F Tan<^ential 

 thin section ot the frontal, X T5, showing the successive ramilications of the lateral spinous proce^sses 



t.. Longitudinal thin section, X 75, showing the successive zones of calcification 



J^ Internal face (s.ii)erior-| of a zoarium, X 25. (B-G, J , Burdigalian of Merignac, Gironde France. 



M, 1. tupulana miillispinata, new species. 



H. Portion of a zoarium deprived of its octocyst, X 25. I. Zoarium X 25„ provided ;rith its ecto- 

 cyet, and its vibracula, Mediterranean at Oran (Algeriat. 

 76 



