LIST OF ILLUSTRATIONS. 



FIG. i. Amceba coli, Loesch. 



2. Encysted intestinal amoeba. (After Grassi.) 



3. Amceba colt, Loesch. (After Kovacs.) 



4. Aniceba coli from a Cat. (After Kovacs.) 



5. Amceba kartulisi, Dofl. (After Kartulis.) 



6. Amceba miurai^ Ijima. 



7. Leydenia gemmipara, Schaudinn. 



8 & 9. Trichomonas vaginalis. (After Kiinstler.) 



10. Trichomonas inlestinalis, Lkt. (After Grassi. ) 



11. Lambliaintestinalis. (After Grassi and Schewiakoff.) 

 12 & 13. Cercomonas howinis. (After Davaine, Lambl.) 



14. Monas pyophila,R. Blanch. (After Grimm.) 



15. Bodo urinariiiS) Kiinstler. 



16. Flagellata observed by Barrois. 



17. Trypanosoma lewisi, Kent. (After Kempner and Rabinowitch.) 



18. Trypanosoma carasszi, Mitrophanow. 



19. Mo no cyst is agilis. (After v. Stein.) 



20. Xiphorhynchus firmus, Leger. 



21. Clepsidrina munieri, Schneid. (After Schewiakoff.) 



22. Conjugation stages of Clepsidrina blattarum. (After Butschli.) 



23. Sporulation stage of, Clepsidrina ovata. (After Schneider.) 



24. Monocystis sp. of earth-worms. (After Butschli.) 



25. Spores of various gregarines. (After Leger.) 



26. Clepsidrina lona. (After Leger. ) 



27. Coccidium cuniculi. (Riv.) 



28. Spores of Coccidium cuniculi. (After Balbiani.) 



29. Swarm cysts of Coccidium. (After R. Pfeiffer.) 



30. Development of Coccidium schubergi, Schaudinn. 

 31 & 32. Coccidium cuniculi (Riv.). (After Balbiani.) 



33. Coccidium ho minis. (After Riek.) 



34. Coccidium bigeminum, Stiles. 



35. Eimeria hominis, R. Blanch. (.\fterKiinstler.) 



36. Quartan parasite. (After Mannaberg or Golgi.) 



37. Tertian parasite. (After Mannaberg.) 

 38 & 39. Pernicious parasite. (After Mannaberg.) 



40. Development of pernicious parasites in the intestine of Anopheles maculipennis. 



(After Grassi.) 



41. Ookinets of pernicious parasites. (After Grassi.) 



42. Cysts of pernicious parasites. (After Grassi.) 



43. Four stages of sporulation of malaria parasites from A. maculipennis. (After 



Grassi.) 



44. Sporoz ntes of pernicious parasites. (After Grassi.) 

 45 & 46. Hamogregarina stepanowi. (After Danilewsky. ) 



47. Myxosporidia, &c. (After J. Miiller.) 



48. Myxobolus miilleri, Butschli. 



