LIST OF ILLUSTRATIONS 



Fio. p AOE 



1. An Electric Centrifuge 18 



2. Method of Making a Simple Capillary Pipet 20 



3. Method of Making a Looped Pipet 21 



4. Graduated Pipets 22 



5. Method of Making a Wright Blood Capsule 23 



6. Method of Making a Vaccine Ampule of Glass Tubing 24 



7. Method of Making a Large Vaccine Ampule of a Test-tube 25 



8. A Satisfactory Syringe 26 



9. A Suction Pump 29 



10. Method of Pricking a Finger 31 



11. Method of Obtaining a Small Amount of Human Blood 32 



12. Collecting Blood in a Wright Capsule 33 



13. Removing Serum from a Wright Capsule 34 



14. Method of Sealing a Wright Capsule 34 



15. Methods for Securing Blood by Puncture of Vein 35 



16. The Keidel Tube for Collecting Blood 36 



16a. Parts of the Keidel Tube 37 



17. A Wet-cup for Securing Blood from Children (Blackfan) 38 



18. Technic of Spinal Puncture 40 



19. Method of Bleeding a Rabbit from the Ear 42 



20. A Dissection of the Neck of a Rabbit to Show Relation of the Carotid Artery 43 



21. Method of Bleeding a Rabbit from the Carotid Artery 44 



22. Method of Bleeding a Rabbit from the Carotid Artery (Pasteur Institute 



Method) 45 



23. Method of Bleeding a Guinea-pig 46 



24. A Dissection of the Neck of a Sheep to Show the Relations of the External 



Jugular Vein 48 



25. Method of Bleeding a Sheep from the External Jugular Vein 49 



26. Method of Bleeding a Horse from the Jugular Vein 52 



27. Method of Subcutaneous Inoculation of a Guinea-pig 55 



28. Method of Intravenous Inoculation of a Rabbit 57 



29. A Dissection of the Neck of a Guinea-pig to Show the Relations of the Ex- 



ternal Jugular Vein 58 



30. Method of Intravenous Inoculation of a Guinea-pig 59 



31. Method of Intravenous Inoculation of a Rat 60 



32. Method of Intravenous Inoculation of a Horse 61 



33. Method of Intraperitoneal Inoculation of a Rabbit 63 



34. A Small Berkefeld Filter 77 



35. A Filter 78 



36. Abdominal Wall of Guinea-pig showing Diphtheric Edema. Facing 114 



37. Normal Adrenal Gland of a Guinea-pig Facing 115 



13 



