LIST OF ILLUSTRATIONS 



1. MOLLUSCUM CONTAGIOSUM 6 



2. TRICHOSPH/ERIUM SIEBOLDII 10 



3. COLPODA CUCULLUS 17 



4. SPIROCH^ETA ZIEMANNI, STAGES OF, IN THE GNAT 21 



522 

 15 5> 55 55 55 



6. SPIROCH/ETA AND SPIRONEMA - 23 



7. TRYPANOSOMA NOCTU/E - 25 



8. LEISHMANNIA DOISJOVANI 33 



9. TICKS- - 37 



10. PIROPLASMA CANIS - 4 2 



11. RABBIT'S CORNEA FORTY-EIGHT HOURS AFTER VACCINATION- 45 



12. GUINEA PIG'S CORNEA SEVENTY-TWO HOURS AFTER VACCINATION 46 



13. CYTORYCTES VARTOL/E - 50 



14. BODIES FORMED IN VARIOLOUS LYMPH - 52 



15. EPIDERMAL CELLS AND PROTOZOA IN SECONDARY SYPHILIS - - 56 



16. THE MARGIN OF A SYPHILITIC ULCER - 57 



17. PART OF THE EPIDERMIS IN SECONDARY SYPHILIS - 58 



1 8. BODIES OBSERVED IN A SCRAPING OF A TERTIARY SYPHILITIC ULCER 60 



19. SECTION OF A RABBIT'S CORNEA SEVENTY-TWO HOURS AFTER INOCULA- 



TION WITH SYPHILIS - 61 



20 BIS. SPIROCH^CTA: - - 64 



21. THE LEFT KIDNEY, URETER, AND BLADDER IN A CASE OF CYSTIC 



DISEASE OF THE URINARY TRACT 69 



22. IBID. : SECTION OF A CYST - 70 



23. IBID.: ANOTHER PART OF THE SAME SECTION - - 71 



24. IBID. : PART OF A SECTION SHOWING Six CYSTS 72 



25. IBID. : COVER-GLASS PREPARATION SHOWING AMCEBOID BODIES - 73 



26. IBID. : PART OF A CYST AND CONTENTS MORE HIGHLY MAGNIFIED - 74 



27. GRANULATION TISSUE UNITING THE ENDS OF A TENDON FORTY-EIGHT 



HOURS AFTER DIVISION 82 



28. THE SAME AT THE END OF NINETY-SIX HOUR;; 83 



29. TYPES OF NUCLEI IN FIBROBLASTS - 85 



xi 



