4. LEGUMINOUS PLANT (VETCH) SHOWING ROOT TUBERCLES 5. LEGUMINOUS PLANT (VETCH) WITHOUT ROOT TUBERCLES 6. A. STAPHYLOCOCCUS PYOGENES AUREUS B. STREPTOCOCCUS PYOGENES 7. GONOCOCCI FROM THE URETHRAL SECRETION 40 41 63 63 66 8. BACILLUS ANTHRACIS. PLATE COLONIES ON GLYCERINE AGAR-AGAR 70 9. BACILLUS ANTHRACIS. GELATINE STAB CULTURE 71 73 12. ISLET OF VIBRIO CHOLERE ON A GELATINE PLATE, in 100 17. AN ACTINOMYCES GRANULE. 18. BACILLUS DIPHTHERIÆ. FORM UNSTAINED PREPARATION A. LONG VARIETY. B. SHORT 19. BACILLUS DIPHTHERIA. PURE CULTURE ON SERUM, ABOUT THIRTY-SIX HOURS OLD 20. GLANDERS BACILLI IN A SECTION OF LUNG 21. INFLUENZA BACILLUS. FROM A FILM PREPARED FROM INFLUENZA SPUTUM 22. BACILLUS PESTIS. CULTURE IN BUTTER BROTH SHOWING STALACTITES . 23. TETANUS BACILLI AND SPORES 24. SCHEMA SHOWING THE HUMAN AND MOSQUITO CYCLES OF THE MALARIA PARASITE 25. ANOPHELES CLAVIGER. 26. AMBA COLI 107 111 |