PLATE 43. Rotatoria. 



Figure 



1. Actinurus Neptunius, E., swimming, a, orifice of intestine. 



2. Gizzard, with teeth of the same. 



3. Head of the same, while crawling. 



4. Albertia vermiculus, D. ; 4 a, teeth. 



5. Anurcea curvicornis, E., dorsal view. 



6. Anurcea curvicornis, E., half side view. 



7. Asplanchna priodonta ; b, jaws and teeth. 



8. Bracliionus amphiceros. 



9. Brachionus rubens, jaws of. 



10. CalUdina elegans. 



11. CalUdina elegans, jaws. 



12. Colurus deflexus, dorsal view. 



13. Colurus deflexus, under view. 



14. Colurus deflexus, teeth. 



15. Conochilus volvox, isolated animal. 



16. Conochilus volvooc, spherical group. 



17. Conochilus volvox, jaws of. 



18. Cycloglena lupus, a, tremulous bodies; b, contractile sac. 



19. CypJionautes compressus, side view, a, pharynx ; b, nervous ganglion ; d, intestine. 



20. Cyphonautes compressus, end view. 



21. Diglena lacustris. 



22. Diglena lacustris, jaws. 



23. Dinocharis tetractis. 



24. Dinocharis pocillum, teeth of. 



25. Distemma forficula. 



26. Distemma forficula, jaws of '. 



27. Enter oplea liydatina. 



28. Eosphora digitata. 



29. Eosphora digitata, jaws of. 



30. Euchlanis triquetra. 



31. Euchlanis triquetra, jaws of. 



32. Floscularia ornata. 



33. Floscularia proboscidea, jaws of. 



34. Furcularia Reinliardtii. 



35. Furcularia Reinhardtii, jaws of. 



36. Glenophora trochus. 



37. Hydatina senta. 



38. Hydatina senta, jaws of. 



39. Hydrias cornigera. 



40. Lindia torulosa. 



41. Lindia torulosa, teeth of. 



42. Plagiognatha Jiyptopus, D. (Notommata hyp., E.). 



43. Lepadella, emarginata. 



44. Lepadella ovalis, jaws of. 



45. Limnias ceratophylli. 



46. Mastigocerca carinata. 



