Plate V. 



Kig. 1. Mclircrilitex dichotoma d'OrI). Foui' zcmucia with opiiculn ;iiul three liftcrd/ooeeiii the tiper- 

 tiires of which have been covered b\' concave elosiirc-pliites. X 'H 



— 2. The same species There is seen a regenerated zooeciuni and two zooecia witii closure plates. 



X 34. 



— 3. Meliceritites hexagoiui d'Orb. X 34. 



— 4. The same species. The two zooecia on the left-liand side have been regenerated twice, and the 



peculiar appearance of the unusually large zooeciuni to the right must no doubl be ex- 

 plained by a repeated regeneration together witli the circumstance that the limits between 

 the different peristomes have been effaced. ; ii. 



— 5. The same species. A heterozooeeium witli mandible. X 34. 



— (i. Meliceiilitcs punctata d'Orb. The zooecia with opcrcula. >v 34. 



— 7. The same species. A heterozooeeium. X 34. 



— 8. The same species. A heterozooeeium with mandible. X 34. 



— 9. i\feliceritites Doltfasi Pergens, var. tiibuliformis n. A heterozooeeium and a zooecinm with 



operculum. 



— 10. The same species. > 34. 



— 11. Meliceritites plana d'Orb. Two heterozooecia. France. X '^^- 



— I'i. The same species. Three zooecia with opercula and si.\ with closure. St. Antiii[ie (In Hocher. 



X 34. 



— 13. Meliceritites sqvamata Marsson. One of the smaller heterozooecia. Möen (Denmark) X 34. 



— 14. The same species. A zooecium in an old heterozooeeium. X 34. 



— 15. The same species. A new heterozooeeium in an old one. X 34. 



— 16. The same species. A heterozooeeium, X 34. 



— 17. The same species. A heterozooeeium with a broader aperture and with mandible. /, 34. 



— 18. Meliceritites Roemeri v. Hag. Tullstorp. X 20. 



— 19. The same species. Distally is seen a small heterozooeeium in an old zoueeiuni, to the left a 



new zooecium in an old one and to the right a concave closure-lamina. > 34. 



— 20. The same species. Three zooecia with a distinct oral ledge. X 34. 



— 21. A kenozooecium and a small heterozooeeium. X 34. 



— 2V. A small heterozooeeium. X 34. 



— 23. Two small heterozooecia with a more elongate aperture. X 34. 



— 24. A small hetciozooecium with a much larger aperture. X 34. 



