LIST OF ILLUSTRATIONS. 



FIG. pAGB 



1. Apparatus for coagulation temperature. (Gam/tee.) . . . . A 



2. Apparatus for fractional heat coagulation. (Halliburton. ) . n 



3. Potato starch I7 



4. Potato starch viewed with crossed Nicols. (Stirling.) . . . 18 



5. Dextrose. (Hill.) 2O 



6. Phenyl-glucosazon. (Stirling.) 21 



7. Maltose. (Hill.) 23 



8. Phenyl-maltosazon. (Stirling.) 23 



9. Lactose. (Hill.) 24 



10. Phenyl-lactosazon. (Stirling.) 24 



11. Cane sugar. (Hill.) 24 



12. Laurent's polarimeter. (Laurent. ) . . . . . .26 



13. Wild's polaristrobometer. (Hermann and Pfister.) .... 27 



14. Interference lines, seen with fig. 13 . . . . . . .28 



15. Gad's experiment. (Stirling, after Gad.) 30 



16. Exsiccator. (Gscheidlen.) 40 



17. Apparatus for obtaining clear serum. (Drechsel.) .... 41 



18. Bernard's apparatus for estimating sugar. (Stirling.} ... 42 



19. Incineration of a deposit. (Gscheidlen.) . . . . . .43 



20. Gower's haemocytometer 44 



21. Rat's haemoglobin crystals. (Stirling.) .45 



22. Spectroscope, (ro^on^ng.) ........ 46 



23. Platinum wire support for sodium flame. (Gscheidlen. ) . . .46 



24. Spectra of haemoglobin. (Landois and Stirling. ) 47 



25. Absorption by oxy-haemoglobin. (Rollett.) 48 



26. Absorption by reduced haemoglobin. (Rollett.) ..... 48 



27. Hermann's haematoscope. (Rollett.) 50 



28. Spectra of derivatives of haemoglobin. (Landois and Stirling.) . 51 



29. Haemochromogen apparatus. (Stirling. ) 52 



30. Spectrum of methsemoglobin. (V. Jaksch.) 52 



31. Spectroscope for wave-lengths. (Landois and Stirling.) 55 



32. Wave lengths of haemoglobin and its compounds. (Prcyer and Gamgee.) 57 



33. Spectra of derivatives of haemoglobin. (Preyer and Gamgee.) . . 58 



34. Hsemin crystals. ( V. Jaksch. ) 59 



35. Haemoglobinometer of Gowers 60 



36. Fleischl's haemometer 61 



37. Bizzozero's chromo-cytometer 62 



38. Several parts of fig. 37 6 3 



39. Micro-spectroscope of Zeiss . . . . .66 



