EXPLANATION OP PLATE Ii. 



1. Melicerta ringens . 



2. Trochal disc of Melicert: 



3. Limnias ceratophylli 



4. TroehaJ disc of Limnias 



5. Eotifer or Philodina 

 C. Synchseta Baltica . 



7. Rotifer ma cruras . 



8. Brachionus Bakeri 



9. Philodina or Rotifer 



10. Euchlams 



11. Triarthra 



12. Actimirus Neptunius 



13. Megalotrocha 



14. Stephanoceros Eichhorn 



15. 1G. FloBoularia ornata 



17. Brachionus pala 



18. Philodina or Rotifer 



19. Lacinularia socialis 



20. Stephanops cirratus 



21. Brachionus Bakeri 



22. Pterodina patina . 



23. Salpina . 



24. Euchlanis 



25. Dinocharis pocillum 



26. Mastigocerca caruiata 



27. Notommata tigi'is . 



28. 29. Hydatina senta 



30. Notommata longiseta 



31, 32. Lacinularia socialis 



33. Notommata aurita 



34. Amira-a striata 



ll'nill 



ceratophylli, & 



abov 



om abov 



Leuwenhoek, 1703-1705 



-Midler, 1776-1780 



