xviii LIST OF FIGURES 



FIG. PAGE 



26. Diagram of Micrococcns tetragonm- . . . .313 



27. Diagram of Gonococcus ..... 314 



28. Diagram of Bacillus of Anthrax and Blood Corpuscles. . 316 



29. Quartan Malaria Parasite . . . . .373 



30. Tertian Malaria Parasite . . . . .374 



31. Malignant Malaria Parasite . . . . . 374 



32. Anopheles maculipennis . . . . . . 377 



33. Diagram of Culex and Anopheles . . . . 378 



34. Human and Mosquito Cycles of the Malaria Parasite . ' . 380 



35. Diagram of the Comma Bacillus of Cholera . . . 385 



36. Suspended Spinal Cord . . . . .421 



37. Flask used for Preparation of the Toxin of Diphtheria . 426 



38. PetriDish . . . . . ., . 453 



39. A Diagram of Colonies of Bacteria on a Gelatine Plate . 454 



40. The Hanging Drop . . . . . .455 



41. Drying Stage for Fixing Films . . . .456 



42. Types of Liquefaction of Gelatine . . . . 457 



43. Levelling Apparatus for Koch's Plate . . . ^ ; 464 



44. Moist Chamber for Koch's Plate . . . .464 



45. Wolfhugel's Counter . . . . . 465 



46. Filter-brushing Method . . . . . 466 



47. Buchner Tube . .-'.'. . . .466 



48. Another Form of Buchner Tube 478 



