Plate 129. 



Figs. 1-11. Lkhcnoitunt f/riiiiioiiciisix Miliie-Echvnals, 1S3S (p. SIS). 



1. Varioii.s aspects of tlie zoarium, X 6. 



2. An entire zoaniim, X 12. 



3. An ovicelled specimen, X 12. Tlie ovicell is more or less coverecl with cancelli. 

 Middle Jack.souian (Castle Hayne limestone) : ■\^■ilmington, Nortii Carolina. 



Cat. No. 65259, U.S.N.M. 



4. A composite Incrusting zoarium, X 5. 



5. Auotlier composite zoarium incrustiny an alga, X 5. 



6. Surface of the same zoarium, X 12. 



7. Section throtigh tlie same zoarium, X 12. 



Lower Jacksonian (Jlood.vs marl) : .Taclvson, Jlississippi. 

 Cat. No. 65260, U.S.N.ai. 

 S.' Tangential thin section, X 2.5. obtained b.v the ablation of the basal lamella. 

 9. Median section through an ovicelled specimen, X 25. 



10. Another median section through an ovicelled specimen, X 25. 



11. Portion of an ovicelled example, X 12. 



Middle .Jacksonian (Castle Hayne limestone) : Wilmington, North Carolina. 

 Cat. No. 6.5259, U.S.N.M. 

 130 



